diff --git a/build/VS2008/fullbench/fullbench.vcproj b/build/VS2008/fullbench/fullbench.vcproj
index 715ea2579..2ce7f74e7 100644
--- a/build/VS2008/fullbench/fullbench.vcproj
+++ b/build/VS2008/fullbench/fullbench.vcproj
@@ -332,6 +332,10 @@
 				RelativePath="..\..\..\lib\common\entropy_common.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\lib\compress\hist.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\lib\common\error_private.c"
 				>
diff --git a/build/VS2008/fuzzer/fuzzer.vcproj b/build/VS2008/fuzzer/fuzzer.vcproj
index 1421619a1..f6ea1f855 100644
--- a/build/VS2008/fuzzer/fuzzer.vcproj
+++ b/build/VS2008/fuzzer/fuzzer.vcproj
@@ -352,6 +352,10 @@
 				RelativePath="..\..\..\lib\common\entropy_common.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\lib\compress\hist.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\lib\common\error_private.c"
 				>
diff --git a/build/VS2008/zstd/zstd.vcproj b/build/VS2008/zstd/zstd.vcproj
index dbd211c06..5d9f68327 100644
--- a/build/VS2008/zstd/zstd.vcproj
+++ b/build/VS2008/zstd/zstd.vcproj
@@ -356,6 +356,10 @@
 				RelativePath="..\..\..\lib\common\entropy_common.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\lib\compress\hist.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\lib\common\error_private.c"
 				>
diff --git a/build/VS2008/zstdlib/zstdlib.vcproj b/build/VS2008/zstdlib/zstdlib.vcproj
index 340a4cd89..7234b02ac 100644
--- a/build/VS2008/zstdlib/zstdlib.vcproj
+++ b/build/VS2008/zstdlib/zstdlib.vcproj
@@ -348,6 +348,10 @@
 				RelativePath="..\..\..\lib\common\entropy_common.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\lib\compress\hist.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\lib\common\error_private.c"
 				>
diff --git a/build/VS2010/fullbench/fullbench.vcxproj b/build/VS2010/fullbench/fullbench.vcxproj
index d0cbcae98..2ec8c4f61 100644
--- a/build/VS2010/fullbench/fullbench.vcxproj
+++ b/build/VS2010/fullbench/fullbench.vcxproj
@@ -156,6 +156,7 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\lib\common\entropy_common.c" />
+    <ClCompile Include="..\..\..\lib\compress\hist.c" />
     <ClCompile Include="..\..\..\lib\common\fse_decompress.c" />
     <ClCompile Include="..\..\..\lib\common\zstd_common.c" />
     <ClCompile Include="..\..\..\lib\common\error_private.c" />
diff --git a/build/VS2010/fuzzer/fuzzer.vcxproj b/build/VS2010/fuzzer/fuzzer.vcxproj
index 6fe327209..ac400028b 100644
--- a/build/VS2010/fuzzer/fuzzer.vcxproj
+++ b/build/VS2010/fuzzer/fuzzer.vcxproj
@@ -158,6 +158,7 @@
     <ClCompile Include="..\..\..\lib\common\pool.c" />
     <ClCompile Include="..\..\..\lib\common\threading.c" />
     <ClCompile Include="..\..\..\lib\common\entropy_common.c" />
+    <ClCompile Include="..\..\..\lib\compress\hist.c" />
     <ClCompile Include="..\..\..\lib\common\error_private.c" />
     <ClCompile Include="..\..\..\lib\common\fse_decompress.c" />
     <ClCompile Include="..\..\..\lib\common\xxhash.c" />
diff --git a/build/VS2010/libzstd-dll/libzstd-dll.vcxproj b/build/VS2010/libzstd-dll/libzstd-dll.vcxproj
index 2d04c6935..db9fdedbb 100644
--- a/build/VS2010/libzstd-dll/libzstd-dll.vcxproj
+++ b/build/VS2010/libzstd-dll/libzstd-dll.vcxproj
@@ -22,6 +22,7 @@
     <ClCompile Include="..\..\..\lib\common\pool.c" />
     <ClCompile Include="..\..\..\lib\common\threading.c" />
     <ClCompile Include="..\..\..\lib\common\entropy_common.c" />
+    <ClCompile Include="..\..\..\lib\compress\hist.c" />
     <ClCompile Include="..\..\..\lib\common\error_private.c" />
     <ClCompile Include="..\..\..\lib\common\xxhash.c" />
     <ClCompile Include="..\..\..\lib\common\zstd_common.c" />
diff --git a/build/VS2010/libzstd/libzstd.vcxproj b/build/VS2010/libzstd/libzstd.vcxproj
index c01a5d179..9550b03cf 100644
--- a/build/VS2010/libzstd/libzstd.vcxproj
+++ b/build/VS2010/libzstd/libzstd.vcxproj
@@ -22,6 +22,7 @@
     <ClCompile Include="..\..\..\lib\common\pool.c" />
     <ClCompile Include="..\..\..\lib\common\threading.c" />
     <ClCompile Include="..\..\..\lib\common\entropy_common.c" />
+    <ClCompile Include="..\..\..\lib\compress\hist.c" />
     <ClCompile Include="..\..\..\lib\common\error_private.c" />
     <ClCompile Include="..\..\..\lib\common\xxhash.c" />
     <ClCompile Include="..\..\..\lib\common\zstd_common.c" />
diff --git a/build/VS2010/zstd/zstd.vcxproj b/build/VS2010/zstd/zstd.vcxproj
index ace343465..36a265a33 100644
--- a/build/VS2010/zstd/zstd.vcxproj
+++ b/build/VS2010/zstd/zstd.vcxproj
@@ -20,6 +20,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\..\..\lib\common\entropy_common.c" />
+    <ClCompile Include="..\..\..\lib\compress\hist.c" />
     <ClCompile Include="..\..\..\lib\common\error_private.c" />
     <ClCompile Include="..\..\..\lib\common\pool.c" />
     <ClCompile Include="..\..\..\lib\common\threading.c" />