diff --git a/Userland/Utilities/fgrep.cpp b/Userland/Utilities/fgrep.cpp
index 8f383a9403..e9a32ce004 100644
--- a/Userland/Utilities/fgrep.cpp
+++ b/Userland/Utilities/fgrep.cpp
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
-#include <assert.h>
+#include <AK/Assertions.h>
 #include <stdio.h>
 #include <string.h>
 #include <unistd.h>