diff --git a/Detour/Include/DetourAssert.h b/Detour/Include/DetourAssert.h
index 709ebd9..3cf6522 100644
--- a/Detour/Include/DetourAssert.h
+++ b/Detour/Include/DetourAssert.h
@@ -24,7 +24,7 @@
 
 #ifdef NDEBUG
 // From http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/
-#	define dtAssert(x) do { (void)sizeof(x); } while(__LINE__==-1,false)  
+#	define dtAssert(x) do { (void)sizeof(x); } while((void)(__LINE__==-1),false)  
 #else
 #	include <assert.h> 
 #	define dtAssert assert
diff --git a/Recast/Include/RecastAssert.h b/Recast/Include/RecastAssert.h
index b58b8fc..2aca0d9 100644
--- a/Recast/Include/RecastAssert.h
+++ b/Recast/Include/RecastAssert.h
@@ -24,7 +24,7 @@
 
 #ifdef NDEBUG
 // From http://cnicholson.net/2009/02/stupid-c-tricks-adventures-in-assert/
-#	define rcAssert(x) do { (void)sizeof(x); } while(__LINE__==-1,false)  
+#	define rcAssert(x) do { (void)sizeof(x); } while((void)(__LINE__==-1),false)  
 #else
 #	include <assert.h> 
 #	define rcAssert assert
diff --git a/RecastDemo/Build/Xcode/Recast.xcodeproj/project.pbxproj b/RecastDemo/Build/Xcode/Recast.xcodeproj/project.pbxproj
index 7c81b7b..e7cd386 100644
--- a/RecastDemo/Build/Xcode/Recast.xcodeproj/project.pbxproj
+++ b/RecastDemo/Build/Xcode/Recast.xcodeproj/project.pbxproj
@@ -595,6 +595,7 @@
 				INSTALL_PATH = "$(HOME)/Applications";
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				OTHER_CPLUSPLUSFLAGS = (
+					"-Wunused-value",
 					"$(OTHER_CFLAGS)",
 					"-Wshadow",
 					"-Wreorder",
@@ -623,6 +624,7 @@
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				OTHER_CFLAGS = "";
 				OTHER_CPLUSPLUSFLAGS = (
+					"-Wunused-value",
 					"$(OTHER_CFLAGS)",
 					"-Wshadow",
 					"-Wreorder",