diff --git a/src/tests/eina/eina_test_strbuf.c b/src/tests/eina/eina_test_strbuf.c
index 403ff496e4..406b467b3d 100644
--- a/src/tests/eina/eina_test_strbuf.c
+++ b/src/tests/eina/eina_test_strbuf.c
@@ -437,11 +437,11 @@ END_TEST
 START_TEST(strbuf_trim)
 {
     Eina_Strbuf* buf;
-    char* str;
+    const char *str;
 
     eina_init();
     buf = eina_strbuf_new();
-    fail_unless(buf);
+    fail_unless(buf != NULL);
 
     eina_strbuf_append(buf, "  string     ");
     eina_strbuf_trim(buf);