diff --git a/rsc/extra/ocpchecker/Makefile b/rsc/extra/ocpchecker/Makefile
index 39e2caa46..a804a9717 100644
--- a/rsc/extra/ocpchecker/Makefile
+++ b/rsc/extra/ocpchecker/Makefile
@@ -1,7 +1,7 @@
 
 bin:
 	@dune build ocp_checker.exe
-	@cp ../../../_build/default/rsc/extra/ocpchecker/ocp_checker.exe ocp-checker
+	@cp -f ../../../_build/default/rsc/extra/ocpchecker/ocp_checker.exe ocp-checker
 
 clean:
 	rm -f ocp-checker