diff --git a/src/viewer/dump/dump.c b/src/viewer/dump/dump.c
index faccfc26..379e324b 100644
--- a/src/viewer/dump/dump.c
+++ b/src/viewer/dump/dump.c
@@ -660,7 +660,7 @@ dump_next(LIST_OF(struct string_list_item) *url_list)
 	if (url_list) {
 		/* Steal all them nice list items but keep the same order */
 		while (!list_empty(*url_list)) {
-			item = url_list->next;
+			item = (struct string_list_item *)url_list->next;
 			del_from_list(item);
 			add_to_list_end(todo_list, item);
 		}
@@ -672,7 +672,7 @@ dump_next(LIST_OF(struct string_list_item) *url_list)
 
 		program.terminate = 0;
 
-		item = todo_list.next;
+		item = (struct string_list_item *)todo_list.next;
 		del_from_list(item);
 		add_to_list(done_list, item);
 
diff --git a/src/viewer/text/form.c b/src/viewer/text/form.c
index e371b078..f96673c2 100644
--- a/src/viewer/text/form.c
+++ b/src/viewer/text/form.c
@@ -135,7 +135,7 @@ fixup_select_state(struct el_form_control *fc, struct form_state *fs)
 void
 selected_item(struct terminal *term, void *item_, void *ses_)
 {
-	struct session *ses = ses_;
+	struct session *ses = (struct session *)ses_;
 	int item = (long) item_;
 	struct document_view *doc_view;
 	struct link *link;
@@ -1436,7 +1436,7 @@ auto_submit_form(struct session *ses)
 	struct document *document = ses->doc_view->document;
 
 	if (!list_empty(document->forms))
-		submit_given_form(ses, ses->doc_view, document->forms.next, 0);
+		submit_given_form(ses, ses->doc_view, (struct form *)document->forms.next, 0);
 }
 
 
@@ -1444,8 +1444,8 @@ auto_submit_form(struct session *ses)
 static void
 set_file_form_state(struct terminal *term, void *filename_, void *fs_)
 {
-	char *filename = filename_;
-	struct form_state *fs = fs_;
+	char *filename = (char *)filename_;
+	struct form_state *fs = (struct form_state *)fs_;
 
 	/* The menu code doesn't free the filename data */
 	mem_free_set(&fs->value, filename);
@@ -1457,8 +1457,8 @@ set_file_form_state(struct terminal *term, void *filename_, void *fs_)
 static void
 file_form_menu(struct terminal *term, void *path_, void *fs_)
 {
-	char *path = path_;
-	struct form_state *fs = fs_;
+	char *path = (char *)path_;
+	struct form_state *fs = (struct form_state *)fs_;
 
 	/* FIXME: It doesn't work for ../../ */
 #if 0
@@ -1754,7 +1754,7 @@ field_op(struct session *ses, struct document_view *doc_view,
 				break;
 			}
 
-			text = memrchr(fs->value, ASCII_LF, fs->state);
+			text = (char *)memrchr(fs->value, ASCII_LF, fs->state);
 			if (text) {
 				/* Leave the new-line character if it does not
 				 * immediately precede the cursor. */
@@ -2091,7 +2091,7 @@ get_form_info(struct session *ses, struct document_view *doc_view)
 static void
 link_form_menu_func(struct terminal *term, void *link_number_, void *ses_)
 {
-	struct session *ses = ses_;
+	struct session *ses = (struct session *)ses_;
 	struct document_view *doc_view;
 	int link_number = *(int *) link_number_;
 
diff --git a/src/viewer/text/link.c b/src/viewer/text/link.c
index d1bfb98a..4c5a4b9f 100644
--- a/src/viewer/text/link.c
+++ b/src/viewer/text/link.c
@@ -1309,7 +1309,7 @@ try_document_key(struct session *ses, struct document_view *doc_view,
 void
 link_menu(struct terminal *term, void *xxx, void *ses_)
 {
-	struct session *ses = ses_;
+	struct session *ses = (struct session *)ses_;
 	struct document_view *doc_view;
 	struct link *link;
 	struct menu_item *mi;
diff --git a/src/viewer/text/search.c b/src/viewer/text/search.c
index 80cf3717..97d79af4 100644
--- a/src/viewer/text/search.c
+++ b/src/viewer/text/search.c
@@ -1883,8 +1883,8 @@ struct search_dlg_hop {
 static widget_handler_status_T
 search_dlg_cancel(struct dialog_data *dlg_data, struct widget_data *widget_data)
 {
-	void (*fn)(void *) = widget_data->widget->data;
-	struct search_dlg_hop *hop = dlg_data->dlg->udata2;
+	void (*fn)(void *) = (void (*)(void *))widget_data->widget->data;
+	struct search_dlg_hop *hop = (struct search_dlg_hop *)dlg_data->dlg->udata2;
 	void *data = hop->data;
 
 	if (fn) fn(data);
@@ -1894,8 +1894,8 @@ search_dlg_cancel(struct dialog_data *dlg_data, struct widget_data *widget_data)
 static widget_handler_status_T
 search_dlg_ok(struct dialog_data *dlg_data, struct widget_data *widget_data)
 {
-	void (*fn)(void *, char *) = widget_data->widget->data;
-	struct search_dlg_hop *hop = dlg_data->dlg->udata2;
+	void (*fn)(void *, char *) = (void (*)(void *, char *))widget_data->widget->data;
+	struct search_dlg_hop *hop = (struct search_dlg_hop *)dlg_data->dlg->udata2;
 	void *data = hop->data;
 	char *text = dlg_data->widgets_data->cdata;
 
@@ -1997,7 +1997,7 @@ search_dlg(struct session *ses, struct document_view *doc_view, int direction)
 	search_dlg_do(ses->tab->term, NULL,
 		      title, ses,
 		      &search_history,
-		      search_function);
+		      (void (*)(void *, char *))search_function);
 
 	return FRAME_EVENT_OK;
 }
diff --git a/src/viewer/text/textarea.c b/src/viewer/text/textarea.c
index 2a6aefe0..25fdc27f 100644
--- a/src/viewer/text/textarea.c
+++ b/src/viewer/text/textarea.c
@@ -176,7 +176,7 @@ format_text(char *text, int width, enum form_wrap wrap, int format)
 			char *wrappos;
 
 			/* Find a place to wrap the text */
-			wrappos = memrchr(&text[begin], ' ', pos - begin);
+			wrappos = (char *)memrchr(&text[begin], ' ', pos - begin);
 			if (wrappos) {
 				/* When formatting text for form submitting we
 				 * have to apply the wrapping mode. */
@@ -611,7 +611,7 @@ free_textarea_data(struct terminal *term)
 	assert(term);
 
 	if (term->textarea_data)
-		done_textarea_data(term->textarea_data);
+		done_textarea_data((struct textarea_data *)term->textarea_data);
 
 	term->textarea_data = NULL;
 }
@@ -666,7 +666,7 @@ textarea_edit(int op, struct terminal *term_, struct form_state *fs_,
 	} else if (op == 1) {
 		struct string file;
 
-		td = term_->textarea_data;
+		td = (struct textarea_data *)term_->textarea_data;
 		term_->textarea_data = NULL;
 		assert(td);
 
@@ -713,7 +713,7 @@ textarea_edit(int op, struct terminal *term_, struct form_state *fs_,
 void
 menu_textarea_edit(struct terminal *term, void *xxx, void *ses_)
 {
-	struct session *ses = ses_;
+	struct session *ses = (struct session *)ses_;
 	struct document_view *doc_view;
 	struct link *link;
 	struct form_state *fs;
diff --git a/src/viewer/text/view.c b/src/viewer/text/view.c
index 974f6a11..4c133947 100644
--- a/src/viewer/text/view.c
+++ b/src/viewer/text/view.c
@@ -1559,7 +1559,7 @@ send_mouse_event(struct session *ses, struct document_view *doc_view,
 		struct window *m;
 
 		activate_bfu_technology(ses, -1);
-		m = term->windows.next;
+		m = (struct window *)term->windows.next;
 		m->handler(m, ev);
 
 		return ses;
@@ -1576,7 +1576,7 @@ send_mouse_event(struct session *ses, struct document_view *doc_view,
 			    && mouse->y == term->prev_mouse_event.y) {
 				if (current_tab->data == ses) ses = NULL;
 
-				close_tab(term, current_tab->data);
+				close_tab(term, (struct session *)current_tab->data);
 			}
 
 			return ses;
@@ -1594,7 +1594,7 @@ send_mouse_event(struct session *ses, struct document_view *doc_view,
 			if (check_mouse_button(ev, B_MIDDLE)) {
 				do_not_ignore_next_mouse_event(term);
 			} else if (check_mouse_button(ev, B_RIGHT)) {
-				tab_menu(current_tab->data, mouse->x, mouse->y, 1);
+				tab_menu((struct session *)current_tab->data, mouse->x, mouse->y, 1);
 			}
 		}
 
@@ -1653,10 +1653,10 @@ try_menu(struct session *ses, struct term_event *ev)
 
 	get_kbd_modifier(ev) &= ~KBD_MOD_ALT;
 	activate_bfu_technology(ses, -1);
-	win = ses->tab->term->windows.next;
+	win = (struct window *)ses->tab->term->windows.next;
 	win->handler(win, ev);
 	if (ses->tab->term->windows.next == win) {
-		deselect_mainmenu(win->term, win->data);
+		deselect_mainmenu(win->term, (struct menu *)win->data);
 		print_screen_status(ses);
 	}
 	if (!tabs_are_on_top(ses->tab->term)) {
@@ -1835,7 +1835,7 @@ static void
 save_formatted_finish(struct terminal *term, int h,
 		      void *data, enum download_flags flags)
 {
-	struct document *document = data;
+	struct document *document = (struct document *)data;
 
 	assert(term && document);
 	if_assert_failed return;
@@ -1851,7 +1851,7 @@ save_formatted_finish(struct terminal *term, int h,
 static void
 save_formatted(void *data, char *file)
 {
-	struct session *ses = data;
+	struct session *ses = (struct session *)data;
 	struct document_view *doc_view;
 
 	assert(ses && ses->tab && ses->tab->term && file);