diff --git a/src/evalfunc.c b/src/evalfunc.c
index 45077f6..40fb9e9 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -4561,7 +4561,9 @@
     if (x == TRUE && n == FALSE)
     {
 	if (0)
-	    ;
+	{
+	    // intentionally empty
+	}
 #if defined(FEAT_BEVAL) && defined(FEAT_GUI_MSWIN)
 	else if (STRICMP(name, "balloon_multiline") == 0)
 	    n = multiline_balloon_available();