diff --git a/visualc/.gitignore b/visualc/.gitignore
index fb7ce224f..ad9677b1e 100644
--- a/visualc/.gitignore
+++ b/visualc/.gitignore
@@ -20,6 +20,8 @@
 /vngspice-fftw/
 /sharedspice/
 
+/KLU/x64/
+
 /.vs/
 *.vc.db
 spinit
diff --git a/visualc/sharedspice.vcxproj b/visualc/sharedspice.vcxproj
index bdc35148e..6ddb78d3c 100644
--- a/visualc/sharedspice.vcxproj
+++ b/visualc/sharedspice.vcxproj
@@ -1226,6 +1226,7 @@
     <ClCompile Include="..\src\osdi\osdicallbacks.c" />
     <ClCompile Include="..\src\osdi\osdiinit.c" />
     <ClCompile Include="..\src\osdi\osdiload.c" />
+    <ClCompile Include="..\src\osdi\osdinoise.c" />
     <ClCompile Include="..\src\osdi\osdiparam.c" />
     <ClCompile Include="..\src\osdi\osdipzld.c" />
     <ClCompile Include="..\src\osdi\osdiregistry.c" />
diff --git a/visualc/vngspice.vcxproj b/visualc/vngspice.vcxproj
index b3a35eff5..f366c96c3 100644
--- a/visualc/vngspice.vcxproj
+++ b/visualc/vngspice.vcxproj
@@ -1706,6 +1706,7 @@
     <ClCompile Include="..\src\osdi\osdicallbacks.c" />
     <ClCompile Include="..\src\osdi\osdiinit.c" />
     <ClCompile Include="..\src\osdi\osdiload.c" />
+    <ClCompile Include="..\src\osdi\osdinoise.c" />
     <ClCompile Include="..\src\osdi\osdiparam.c" />
     <ClCompile Include="..\src\osdi\osdipzld.c" />
     <ClCompile Include="..\src\osdi\osdiregistry.c" />