diff --git a/legacy/eina/src/lib/eina_strbuf.c b/legacy/eina/src/lib/eina_strbuf.c
index da528f4499..f83f8402af 100644
--- a/legacy/eina/src/lib/eina_strbuf.c
+++ b/legacy/eina/src/lib/eina_strbuf.c
@@ -42,8 +42,8 @@ struct _Eina_Strbuf
 
 static void _eina_strbuf_init(Eina_Strbuf *buf);
 static int _eina_strbuf_resize(Eina_Strbuf *buf, size_t size);
-#define _eina_strbuf_grow(buf, size) \
-   if (size > buf->size) _eina_strbuf_resize(buf, size)
+#define _eina_strbuf_grow(buf, _size) \
+   (_size > buf->size) ? _eina_strbuf_resize(buf, _size) : EINA_FALSE
 
 Eina_Bool
 eina_strbuf_init(void)