diff --git a/src/Mod/Mesh/App/WildMagic4/Wm4System.cpp b/src/Mod/Mesh/App/WildMagic4/Wm4System.cpp
index b99e5d08b..ebc8a5fbd 100644
--- a/src/Mod/Mesh/App/WildMagic4/Wm4System.cpp
+++ b/src/Mod/Mesh/App/WildMagic4/Wm4System.cpp
@@ -568,7 +568,8 @@ int System::Write8be (FILE* pkFile, int iQuantity, const void* pvData)
 //----------------------------------------------------------------------------
 const char* System::GetPath (const char* acDirectory, const char* acFilename)
 {
-#ifdef __APPLE__
+    // #0000656: WildMagic4 doesn't build on 64-bit Mac OS
+#if defined(__APPLE__) && !defined(__x86_64__)
     // An application-relative path is needed for the applications to be able
     // to find the input data sets.  Unfortunately, there is no exact way to
     // predict which directory the application is run from, since this depends