1 files changed, 1 insertions, 1 deletions

diff --git a/src/regress/lib/libc/dirname/dirname_test.c b/src/regress/lib/libc/dirname/dirname_test.c
index 7d0b0e221f..0dd95d6c30 100644
--- a/src/regress/lib/libc/dirname/dirname_test.c
+++ b/src/regress/lib/libc/dirname/dirname_test.c
@@ -69,7 +69,7 @@ main(void)
 
         /* Case 4 */
         strlcpy(path, "/", sizeof(path));               /* reset path */
-        for (i = 0; i <= MAXPATHLEN; i += sizeof(dir))
+        for (i = 0; i <= MAXPATHLEN; i += strlen(dir))
                 strlcat(path, dir, sizeof(path));
         strlcat(path, fname, sizeof(path));
         str = dirname(path);