diff --git a/Sources/Plasma/CoreLibExe/Pch.h b/Sources/Plasma/CoreLibExe/Pch.h
index ed60a32d..5253bb15 100644
--- a/Sources/Plasma/CoreLibExe/Pch.h
+++ b/Sources/Plasma/CoreLibExe/Pch.h
@@ -51,6 +51,6 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 
 #include <malloc.h>
 
-#ifdef HS_BUILD_FOR_WIN32
+#if _MSC_VER
 #include <crtdbg.h>
 #endif
diff --git a/Sources/Plasma/CoreLibExe/hsExeError.cpp b/Sources/Plasma/CoreLibExe/hsExeError.cpp
index 0707ecad..2f6d8a7a 100644
--- a/Sources/Plasma/CoreLibExe/hsExeError.cpp
+++ b/Sources/Plasma/CoreLibExe/hsExeError.cpp
@@ -56,7 +56,7 @@ static bool         s_options[kNumErrorOptions];
 AUTO_INIT_FUNC(hsExeErrorInit) {
     // The critical section has to be initialized
     // before program startup and never freed
-    static byte rawMemory[sizeof CCritSect];
+    static byte rawMemory[sizeof(CCritSect)];
     s_critsect = new(rawMemory) CCritSect;
 }
 
diff --git a/Sources/Plasma/CoreLibExe/hsExeMalloc.cpp b/Sources/Plasma/CoreLibExe/hsExeMalloc.cpp
index 7704a721..b0d57023 100644
--- a/Sources/Plasma/CoreLibExe/hsExeMalloc.cpp
+++ b/Sources/Plasma/CoreLibExe/hsExeMalloc.cpp
@@ -329,6 +329,7 @@ static void __cdecl CheckLeaksOnExit () {
 #endif // MEM_DEBUG
 
 //============================================================================
+#ifdef MEM_DEBUG
 static int __cdecl CrtAllocHook (
     int                     method,
     void *                  pUserData,
@@ -344,6 +345,7 @@ static int __cdecl CrtAllocHook (
     
     return 1;
 }
+#endif // MEM_DEBUG
 
 //===========================================================================
 #ifdef MEM_DEBUG