diff --git a/codec/build/win32/enc/WelsEncCore.vcproj b/codec/build/win32/enc/WelsEncCore.vcproj
index 41191b41..16dd6bf9 100644
--- a/codec/build/win32/enc/WelsEncCore.vcproj
+++ b/codec/build/win32/enc/WelsEncCore.vcproj
@@ -540,7 +540,7 @@
 					<Tool
 						Name="VCCLCompilerTool"
 						AdditionalIncludeDirectories=""
-						PreprocessorDefinitions="OUPUT_REF_PIC"
+						PreprocessorDefinitions=""
 					/>
 				</FileConfiguration>
 				<FileConfiguration
@@ -549,7 +549,7 @@
 					<Tool
 						Name="VCCLCompilerTool"
 						AdditionalIncludeDirectories=""
-						PreprocessorDefinitions="OUPUT_REF_PIC"
+						PreprocessorDefinitions=""
 					/>
 				</FileConfiguration>
 				<FileConfiguration