diff --git a/Ports/nano/patches/fix-fnmatch.patch b/Ports/nano/patches/fix-fnmatch.patch
new file mode 100644
index 0000000000..ee5970bdd2
--- /dev/null
+++ b/Ports/nano/patches/fix-fnmatch.patch
@@ -0,0 +1,13 @@
+diff -Naur nano-4.5/lib/fnmatch_loop.c nano-4.5.serenity/lib/fnmatch_loop.c
+--- nano-4.5/lib/fnmatch_loop.c	2021-04-12 03:21:50.410647764 +0200
++++ nano-4.5.serenity/lib/fnmatch_loop.c	2021-04-12 03:20:03.688773104 +0200
+@@ -16,6 +16,9 @@
+ 
+ /* Match STRING against the file name pattern PATTERN, returning zero if
+    it matches, nonzero if not.  */
++#ifdef __serenity__
++#define FNM_EXTMATCH 0
++#endif
+ static int EXT (INT opt, const CHAR *pattern, const CHAR *string,
+                 const CHAR *string_end, bool no_leading_period, int flags)
+      internal_function;