diff --git a/win32/clangAnalysis/clangAnalysis.vcproj b/win32/clangAnalysis/clangAnalysis.vcproj
index b1f5c2454c..5d18d374e1 100644
--- a/win32/clangAnalysis/clangAnalysis.vcproj
+++ b/win32/clangAnalysis/clangAnalysis.vcproj
@@ -178,6 +178,10 @@
 				RelativePath="..\..\lib\Analysis\DeadStores.cpp"
 				>
 			</File>
+			<File
+				RelativePath="..\..\lib\Analysis\Environment.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\..\lib\Analysis\ExplodedGraph.cpp"
 				>