diff --git a/sc2/src/msvc++/UrQuanMasters.dsp b/sc2/src/msvc++/UrQuanMasters.dsp
index d2adc2c4f..cc11a2551 100644
--- a/sc2/src/msvc++/UrQuanMasters.dsp
+++ b/sc2/src/msvc++/UrQuanMasters.dsp
@@ -912,6 +912,10 @@ SOURCE=..\sc2code\libs\uio\zip\zip.h
 # End Group
 # Begin Source File
 
+SOURCE=..\sc2code\libs\uio\charhashtable.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\sc2code\libs\uio\charhashtable.h
 # End Source File
 # Begin Source File