diff --git a/src/wofi.c b/src/wofi.c
index cb0f744..a849c0e 100644
--- a/src/wofi.c
+++ b/src/wofi.c
@@ -493,6 +493,7 @@ static GtkWidget* create_label(char* mode, char* text, char* search_text, char*
 
 		if(pre_display_exec) {
 			fclose(fp_labeltext);
+			while(waitpid(-1, NULL, WNOHANG) > 0);
 		} else {
 			pclose(fp_labeltext);
 		}