diff --git a/src/config/preferences.c b/src/config/preferences.c
index 25a6ff87..b5fe0512 100644
--- a/src/config/preferences.c
+++ b/src/config/preferences.c
@@ -1109,6 +1109,8 @@ prefs_get_inputrc(void)
         return result;
     }
 
+    g_string_free(inputrc_file, TRUE);
+
     return NULL;
 }