diff --git a/cppForSwig/Makefile.am b/cppForSwig/Makefile.am
index 63080921a..a2eac450e 100644
--- a/cppForSwig/Makefile.am
+++ b/cppForSwig/Makefile.am
@@ -106,11 +106,9 @@ libCppBlockUtils_la_LDFLAGS += -Wl,-rpath,@executable_path/ -Wl,-rpath,@loader_p
 endif
 
 #custom rules
-CppBlockUtils_wrap.cxx: CppBlockUtils.i
+CppBlockUtils_wrap.cxx: CppBlockUtils.i $(INCLUDE_FILES)
 	swig $(SWIG_FLAGS) CppBlockUtils.i 
 
-.PHONY: CppBlockUtils_wrap.cxx
-
 clean-local:
 	rm -f CppBlockUtils.py
 	rm -f CppBlockUtils_wrap.cxx