diff --git a/icu4c/source/common/common.dsp b/icu4c/source/common/common.dsp
index d54f50ee41..0502f6ed61 100644
--- a/icu4c/source/common/common.dsp
+++ b/icu4c/source/common/common.dsp
@@ -472,6 +472,10 @@ SOURCE=.\uresdata.c
 # End Source File
 # Begin Source File
 
+SOURCE=.\usc_impl.c
+# End Source File
+# Begin Source File
+
 SOURCE=.\uscript.c
 # End Source File
 # Begin Source File
@@ -2576,6 +2580,10 @@ SOURCE=.\uresimp.h
 # End Source File
 # Begin Source File
 
+SOURCE=.\usc_impl.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\unicode\uscript.h
 
 !IF  "$(CFG)" == "common - Win32 Release"