diff --git a/mingw-w64-crt/def-include/func.def.in b/mingw-w64-crt/def-include/func.def.in
index 1d542a1..f180b9c 100644
--- a/mingw-w64-crt/def-include/func.def.in
+++ b/mingw-w64-crt/def-include/func.def.in
@@ -18,6 +18,9 @@
 #define F_X86_ANY(x) x
 #define F_NON_I386(x) x
 #define F_NON_ARM64(x) x
+#if defined(__arm64ec__)
+#define F_ARM_ANY(x) x
+#endif
 #elif defined(__i386__)
 #define F32(x) x
 #define F_I386(x) x