diff --git a/lib/krb5/fcache.c b/lib/krb5/fcache.c
index 375400b44..08d4f4217 100644
--- a/lib/krb5/fcache.c
+++ b/lib/krb5/fcache.c
@@ -1210,9 +1210,8 @@ my_basename(const char *fn)
 {
     const char *base, *p;
 
-    if (strncmp(fn, "FILE:", sizeof("FILE:") - 1) != 0)
-        return "";
-    fn += sizeof("FILE:") - 1;
+    if (strncmp(fn, "FILE:", sizeof("FILE:") - 1) == 0)
+        fn += sizeof("FILE:") - 1;
     for (p = base = fn; *p; p++) {
 #ifdef WIN32
         if (*p == '/' || *p == '\\')