diff --git a/abclib.dsp b/abclib.dsp
index 6df9c79de..407c3c66e 100644
--- a/abclib.dsp
+++ b/abclib.dsp
@@ -699,6 +699,10 @@ SOURCE=.\src\base\io\ioWriteVerilog.c
 # PROP Default_Filter ""
 # Begin Source File
 
+SOURCE=.\src\base\main\abcapis.h
+# End Source File
+# Begin Source File
+
 SOURCE=.\src\base\main\libSupport.c
 # End Source File
 # Begin Source File