diff --git a/rpcs3/Emu/Cell/PPUThread.cpp b/rpcs3/Emu/Cell/PPUThread.cpp
index 3c8362178d..0b039e4886 100644
--- a/rpcs3/Emu/Cell/PPUThread.cpp
+++ b/rpcs3/Emu/Cell/PPUThread.cpp
@@ -4,11 +4,13 @@
 #include "Emu/System.h"
 #include "Emu/Cell/PPUThread.h"
 #include "Emu/SysCalls/Modules.h"
-
 #include "Emu/Cell/PPUDecoder.h"
 #include "Emu/Cell/PPUInterpreter.h"
 #include "Emu/Cell/PPUDisAsm.h"
+
 #include <thread>
+#include <cmath>
+
 extern gcmInfo gcm_info;
 
 PPUThread& GetCurrentPPUThread()
@@ -190,7 +192,7 @@ bool FPRdouble::IsINF(PPCdouble d)
 
 bool FPRdouble::IsNaN(PPCdouble d)
 {
-	return isnan(d) ? 1 : 0;
+	return std::isnan((double)d) ? 1 : 0;
 }
 
 bool FPRdouble::IsQNaN(PPCdouble d)
diff --git a/rpcs3/Emu/Memory/Memory.h b/rpcs3/Emu/Memory/Memory.h
index 1642e36770..4a10a3260a 100644
--- a/rpcs3/Emu/Memory/Memory.h
+++ b/rpcs3/Emu/Memory/Memory.h
@@ -8,6 +8,15 @@
 #include "Emu/SysCalls/Callback.h"
 #include <vector>
 
+/* OS X uses MAP_ANON instead of MAP_ANONYMOUS */
+#ifndef MAP_ANONYMOUS
+    #ifdef MAP_ANON
+        #define MAP_ANONYMOUS MAP_ANON
+    #else
+        #define MAP_ANONYMOUS 0
+    #endif
+#endif
+
 using std::nullptr_t;
 
 #define safe_delete(x) do {delete (x);(x)=nullptr;} while(0)