diff --git a/DAPNETGateway.vcxproj b/DAPNETGateway.vcxproj
index 95297c4..dc023f7 100644
--- a/DAPNETGateway.vcxproj
+++ b/DAPNETGateway.vcxproj
@@ -119,7 +119,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
+      <PreprocessorDefinitions>HAVE_LOG_H;_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
@@ -134,7 +134,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
+      <PreprocessorDefinitions>HAVE_LOG_H;_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
@@ -151,7 +151,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
+      <PreprocessorDefinitions>HAVE_LOG_H;_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>
@@ -170,7 +170,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
+      <PreprocessorDefinitions>HAVE_LOG_H;_CRT_SECURE_NO_WARNINGS</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
     </ClCompile>
     <Link>