diff --git a/x11/fvwm2/Portfile b/x11/fvwm2/Portfile
index 00a0136c843cc..8f2077f66b070 100644
--- a/x11/fvwm2/Portfile
+++ b/x11/fvwm2/Portfile
@@ -40,6 +40,12 @@ configure.args      --x-includes=${prefix}/include \
                     --without-rplay-library \
                     --without-stroke-library
 
+# error: incompatible integer to pointer conversion assigning to 'int *' from 'char' [-Wint-conversion]
+if {${os.platform} eq "darwin" && ${os.major} > 22} {
+    configure.cflags-append \
+                    -Wno-error=int-conversion
+}
+
 variant bidi description {Enable support for bidirection text handling} {
     configure.args-delete --disable-bidi
     depends_lib-append port:fribidi