diff --git a/src/bfu/msgbox.c b/src/bfu/msgbox.c
index d7af62be..aa126087 100644
--- a/src/bfu/msgbox.c
+++ b/src/bfu/msgbox.c
@@ -100,7 +100,7 @@ msg_text_do(unsigned char *format, va_list ap)
 	int infolen, len;
 	va_list ap2;
 
-	VA_COPY(ap2, ap);
+	va_copy(ap2, ap);
 
 	infolen = vsnprintf(NULL, 0, format, ap2);
 	info = mem_alloc(infolen + 1);
diff --git a/src/main/event.c b/src/main/event.c
index 9b3bc5dc..0190e358 100644
--- a/src/main/event.c
+++ b/src/main/event.c
@@ -162,7 +162,7 @@ trigger_event_va(int id, va_list ap_init)
 		enum evhook_status ret;
 		va_list ap;
 
-		VA_COPY(ap, ap_init);
+		va_copy(ap, ap_init);
 		ret = ev_handler->callback(ap, ev_handler->data);
 		va_end(ap);
 
diff --git a/src/util/snprintf.c b/src/util/snprintf.c
index 7e9b286e..d2a4bcb1 100644
--- a/src/util/snprintf.c
+++ b/src/util/snprintf.c
@@ -178,7 +178,7 @@ dopr(char *buffer, size_t maxlen, const char *format, va_list args_in)
 	size_t currlen;
 	va_list args;
 
-	VA_COPY(args, args_in);
+	va_copy(args, args_in);
 
 	state = DP_S_DEFAULT;
 	currlen = 0;
@@ -825,7 +825,7 @@ elinks_vasprintf(char **ptr, const char *format, va_list ap)
 	int ret;
 	va_list ap2;
 
-	VA_COPY(ap2, ap);
+	va_copy(ap2, ap);
 
 	ret = vsnprintf(NULL, 0, format, ap2);
 	if (ret <= 0) return ret;
@@ -842,7 +842,7 @@ elinks_vasprintf(char **ptr, const char *format, va_list ap)
 	(*ptr) = (char *) malloc(ret + 1);
 	if (!*ptr) return -1;
 
-	VA_COPY(ap2, ap);
+	va_copy(ap2, ap);
 
 	return vsnprintf(*ptr, ret + 1, format, ap2);
 }
diff --git a/src/util/snprintf.h b/src/util/snprintf.h
index 81bb4d28..de222453 100644
--- a/src/util/snprintf.h
+++ b/src/util/snprintf.h
@@ -11,11 +11,11 @@
 
 /* XXX: This is not quite the best place for it, perhaps. But do we have
  * a better one now? --pasky */
-#ifndef VA_COPY
+#ifndef va_copy
 #ifdef __va_copy
-#define VA_COPY(dest, src) __va_copy(dest, src)
+#define va_copy(dest, src) __va_copy(dest, src)
 #else
-#define VA_COPY(dest, src) (dest) = (src)
+#define va_copy(dest, src) (dest) = (src)
 #endif
 #endif