diff --git a/lib.mk b/lib.mk
index b3d968d8..09d723d7 100644
--- a/lib.mk
+++ b/lib.mk
@@ -32,9 +32,6 @@ $(LIB): $(OBJS_lib) $(OBJDIR_lib)
 $(BIN_lib): $(LIB) $(OBJS_driver) $(OBJDIR_driver)
 	@echo "LD $@"
 	@$(CC) $(CFLAGS) $(OBJS_driver) $(LIB) -o $@ $(LDFLAGS)
-wrappers/cray.o: wrappers/cray.c
-	@echo "CC -fPIC $@"
-	@$(CC) `pkg-config --cflags python3` $(CFLAGS) -o wrappers/cray.o -shared -fPIC wrappers/cray.c
-wrappers/cray.so: $(LIB) wrappers/cray.o
+wrappers/cray.so: $(LIB) wrappers/cray.c
 	@echo "Building Python module"
-	@$(CC) -shared -fPIC wrappers/cray.o $(LIB) -o $@
+	@$(CC) -shared $(CFLAGS) -fPIC `pkg-config --cflags python3` wrappers/cray.c $(LIB) -o $@