diff --git a/epan/dissectors/Makefile.nmake b/epan/dissectors/Makefile.nmake
index 33e5985a56..c287527234 100644
--- a/epan/dissectors/Makefile.nmake
+++ b/epan/dissectors/Makefile.nmake
@@ -56,7 +56,7 @@ x11-declarations.h x11-register-info.h: x11-fields process-x11-fields.pl
 # maybe we could just require every .o file to have an register routine
 # of a given name (packet-aarp.o -> proto_register_aarp, etc.).
 #
-# Formatting conventions:  The name of the proto_register_* routines an
+# Formatting conventions:  The name of the proto_register_* routines and
 # proto_reg_handoff_* routines must start in column zero, or must be
 # preceded only by "void " starting in column zero, and must not be
 # inside #if.
@@ -101,6 +101,8 @@ packet-ncp2222.c : ncp2222.py
 	touch packet-ncp.c $@
 !ENDIF
 
+packet-ncp2222.obj: packet-ncp2222.inc
+
 clean:
 	rm -f dissectors.lib *.pdb register.c-tmp register-cache.pkl \
 		$(DISSECTOR_OBJECTS) $(DISSECTOR_SUPPORT_OBJECTS)