diff --git a/epochX/cudacpp/gg_tt.mad/SubProcesses/cudacpp.mk b/epochX/cudacpp/gg_tt.mad/SubProcesses/cudacpp.mk
index 1b086329a7..0a00e96d1a 100644
--- a/epochX/cudacpp/gg_tt.mad/SubProcesses/cudacpp.mk
+++ b/epochX/cudacpp/gg_tt.mad/SubProcesses/cudacpp.mk
@@ -461,9 +461,10 @@ $(BUILDDIR)/%_cu.o : %.cc *.h ../../src/*.h $(BUILDDIR)/.build.$(TAG)
 endif
 
 # Generic target and build rules: objects from C++ compilation
+# (NB do not include CUINC here! add it only for NVTX or curand #679)
 $(BUILDDIR)/%.o : %.cc *.h ../../src/*.h $(BUILDDIR)/.build.$(TAG)
 	@if [ ! -d $(BUILDDIR) ]; then echo "mkdir -p $(BUILDDIR)"; mkdir -p $(BUILDDIR); fi
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(CUINC) -fPIC -c $< -o $@
+	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -fPIC -c $< -o $@
 
 # Apply special build flags only to CrossSectionKernel.cc and gCrossSectionKernel.cu (no fast math, see #117)
 ifeq ($(shell $(CXX) --version | grep ^nvc++),)