diff --git a/photon/libc/string/memmove.c b/photon/libc/string/memmove.c
index d17be26..1366943 100644
--- a/photon/libc/string/memmove.c
+++ b/photon/libc/string/memmove.c
@@ -19,7 +19,7 @@ static void *memcpy_r(void *dest, const void *src, size_t sz)
 
 void *memmove(void *dest, const void *src, size_t n)
 {
-    if (dest > src) {
+    if (dest < src) {
         return memcpy(dest, src, n);
     } else {
         return memcpy_r(dest, src, n);