diff --git a/dev/lobster/language.vcxproj b/dev/lobster/language.vcxproj
index 38539aec9..874e6cd97 100644
--- a/dev/lobster/language.vcxproj
+++ b/dev/lobster/language.vcxproj
@@ -124,7 +124,8 @@
       <DisableLanguageExtensions>false</DisableLanguageExtensions>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <SupportJustMyCode>false</SupportJustMyCode>
-      <EnableModules>false</EnableModules>
+      <EnableModules>true</EnableModules>
+      <BuildStlModules>false</BuildStlModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -160,7 +161,8 @@
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
-      <EnableModules>false</EnableModules>
+      <EnableModules>true</EnableModules>
+      <BuildStlModules>false</BuildStlModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -200,7 +202,8 @@
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
-      <EnableModules>false</EnableModules>
+      <EnableModules>true</EnableModules>
+      <BuildStlModules>false</BuildStlModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff --git a/dev/lobster/lobster.vcxproj b/dev/lobster/lobster.vcxproj
index cb9a4e031..a22ca7380 100644
--- a/dev/lobster/lobster.vcxproj
+++ b/dev/lobster/lobster.vcxproj
@@ -103,7 +103,8 @@
       <DisableLanguageExtensions>false</DisableLanguageExtensions>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <SupportJustMyCode>false</SupportJustMyCode>
-      <EnableModules>false</EnableModules>
+      <EnableModules>true</EnableModules>
+      <BuildStlModules>false</BuildStlModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -140,7 +141,8 @@
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
-      <EnableModules>false</EnableModules>
+      <EnableModules>true</EnableModules>
+      <BuildStlModules>false</BuildStlModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -181,7 +183,8 @@
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
-      <EnableModules>false</EnableModules>
+      <EnableModules>true</EnableModules>
+      <BuildStlModules>false</BuildStlModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff --git a/dev/lobster/main.vcxproj b/dev/lobster/main.vcxproj
index 9aedac50f..7d5ddae1b 100644
--- a/dev/lobster/main.vcxproj
+++ b/dev/lobster/main.vcxproj
@@ -102,7 +102,8 @@
       <ConformanceMode>true</ConformanceMode>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <SupportJustMyCode>false</SupportJustMyCode>
-      <EnableModules>false</EnableModules>
+      <EnableModules>true</EnableModules>
+      <BuildStlModules>false</BuildStlModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -137,7 +138,8 @@
       <ConformanceMode>true</ConformanceMode>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
-      <EnableModules>false</EnableModules>
+      <EnableModules>true</EnableModules>
+      <BuildStlModules>false</BuildStlModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -176,7 +178,8 @@
       <ConformanceMode>true</ConformanceMode>
       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>
       <FavorSizeOrSpeed>Speed</FavorSizeOrSpeed>
-      <EnableModules>false</EnableModules>
+      <EnableModules>true</EnableModules>
+      <BuildStlModules>false</BuildStlModules>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>