diff --git a/windows/LibMiniUPnPc.vcxproj b/windows/LibMiniUPnPc.vcxproj
index 7e5e44412..07489d0e8 100644
--- a/windows/LibMiniUPnPc.vcxproj
+++ b/windows/LibMiniUPnPc.vcxproj
@@ -106,7 +106,7 @@
       </PrecompiledHeader>
       <Optimization>Disabled</Optimization>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;MINIUPNP_STATICLIB;_WINSOCK_DEPRECATED_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4100;4244;4245;4267;4389;%(DisableSpecificWarnings)</DisableSpecificWarnings>
     </ClCompile>
     <Link>
@@ -123,7 +123,7 @@
       </PrecompiledHeader>
       <Optimization>Disabled</Optimization>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;MINIUPNP_STATICLIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4100;4244;4245;4267;4389;%(DisableSpecificWarnings)</DisableSpecificWarnings>
     </ClCompile>
     <Link>
@@ -142,7 +142,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;MINIUPNP_STATICLIB;_WINSOCK_DEPRECATED_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4100;4244;4245;4267;4389;%(DisableSpecificWarnings)</DisableSpecificWarnings>
     </ClCompile>
     <Link>
@@ -163,7 +163,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;_WINSOCK_DEPRECATED_NO_WARNINGS;MINIUPNP_STATICLIB;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DisableSpecificWarnings>4100;4244;4245;4267;4389;%(DisableSpecificWarnings)</DisableSpecificWarnings>
     </ClCompile>
     <Link>