diff --git a/Makefile b/Makefile
index f22530255..8d59f8659 100644
--- a/Makefile
+++ b/Makefile
@@ -741,7 +741,15 @@ ifeq ($(LINK_ABC),1)
 OBJS += $(PROGRAM_PREFIX)yosys-libabc.a
 endif
 
+# Generate cell type tables
+GENFILES += kernel/gen_celltypes_data.cc kernel/gen_celltypes_data.h
+kernel/gen_celltypes_data.cc kernel/gen_celltypes_data.h: kernel/constids.inc misc/gen_celltypes.py
+	$(Q) $(PYTHON_EXECUTABLE) $(YOSYS_SRC)/misc/gen_celltypes.py $(YOSYS_SRC)
+$(OBJS): kernel/gen_celltypes_data.h
+
 OBJS += kernel/gen_celltypes_data.o
+kernel/gen_celltypes_data.o: kernel/gen_celltypes_data.cc kernel/gen_celltypes_data.h
+
 
 # prevent the CXXFLAGS set by this Makefile from reaching abc/Makefile,
 # especially the -MD flag which will break the build when CXX is clang
@@ -1185,12 +1193,6 @@ clean-abc:
 mrproper: clean
 	git clean -xdf
 
-# Generate cell type tables
-GENFILES += kernel/gen_celltypes_data.cc kernel/gen_celltypes_data.h
-kernel/gen_celltypes_data.cc kernel/gen_celltypes_data.h: kernel/constids.inc misc/gen_celltypes.py
-	$(P) $(PYTHON_EXECUTABLE) $(YOSYS_SRC)/misc/gen_celltypes.py $(YOSYS_SRC)
-$(OBJS): | kernel/gen_celltypes_data.h
-
 coverage:
 	./$(PROGRAM_PREFIX)yosys -qp 'help; help -all'
 	rm -rf coverage.info coverage_html