diff --git a/build/VStudio/testing/winfsp-tests.vcxproj b/build/VStudio/testing/winfsp-tests.vcxproj
index 18af2b63..9251d9ae 100644
--- a/build/VStudio/testing/winfsp-tests.vcxproj
+++ b/build/VStudio/testing/winfsp-tests.vcxproj
@@ -102,7 +102,7 @@
       <PreprocessorDefinitions>__func__=__FUNCTION__;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>..\..\..\src;..\..\..\inc;..\..\..\ext</AdditionalIncludeDirectories>
-      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -118,7 +118,7 @@
       <PreprocessorDefinitions>__func__=__FUNCTION__;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <SDLCheck>true</SDLCheck>
       <AdditionalIncludeDirectories>..\..\..\src;..\..\..\inc;..\..\..\ext</AdditionalIncludeDirectories>
-      <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff --git a/tst/winfsp-tests/memfs.cpp b/tst/winfsp-tests/memfs.cpp
index 519c0e75..a05b35e4 100644
--- a/tst/winfsp-tests/memfs.cpp
+++ b/tst/winfsp-tests/memfs.cpp
@@ -4,6 +4,7 @@
  * @copyright 2015 Bill Zissimopoulos
  */
 
+#undef _DEBUG
 #include "memfs.h"
 #include <map>