diff --git a/Workspace_msvc/lib_dec.vcxproj b/Workspace_msvc/lib_dec.vcxproj
index e93fc6c7ce0624db18f35ea3c695a53748f29052..b931d122783a5b21781322d1b75a0e851b2bd2db 100644
--- a/Workspace_msvc/lib_dec.vcxproj
+++ b/Workspace_msvc/lib_dec.vcxproj
@@ -109,7 +109,7 @@
       <FavorSizeOrSpeed>Neither</FavorSizeOrSpeed>
       <OmitFramePointers>false</OmitFramePointers>
       <EnableFiberSafeOptimizations>false</EnableFiberSafeOptimizations>
-      <AdditionalIncludeDirectories>..\lib_basop;..\lib_com;..\lib_debug;..\lib_dec;..\lib_enc;..\lib_rend;..\lib_isar;..\lib_rend;..\lib_lc3plus;.%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>..\lib_basop;..\lib_com;..\lib_debug;..\lib_dec;..\lib_enc;..\lib_rend;..\lib_isar;..\lib_rend;..\lib_lc3plus;..\lib_util;.%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
       <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;$(Macros);WIN32;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <StringPooling>true</StringPooling>
       <ExceptionHandling />