diff --git a/src/mbyte.c b/src/mbyte.c
index 9235714..134a956 100644
--- a/src/mbyte.c
+++ b/src/mbyte.c
@@ -5384,7 +5384,7 @@
 			draw_feedback = (char *)alloc(draw_data->chg_first
 							      + text->length);
 		    else
-			draw_feedback = realloc(draw_feedback,
+			draw_feedback = vim_realloc(draw_feedback,
 					 draw_data->chg_first + text->length);
 		    if (draw_feedback != NULL)
 		    {