diff --git a/package/linux-tools/linux-tool-perf.mk.in b/package/linux-tools/linux-tool-perf.mk.in
index 7bba440530..057c6f80e7 100644
--- a/package/linux-tools/linux-tool-perf.mk.in
+++ b/package/linux-tools/linux-tool-perf.mk.in
@@ -126,7 +126,7 @@ define PERF_DISABLE_DOCUMENTATION
 		printf "%%:\n\t@:\n" >$(LINUX_DIR)/tools/perf/Documentation/GNUmakefile; \
 	fi
 endef
-LINUX_POST_PATCH_HOOKS += PERF_DISABLE_DOCUMENTATION
+LINUX_TOOLS_POST_PATCH_HOOKS += PERF_DISABLE_DOCUMENTATION
 
 # O must be redefined here to overwrite the one used by Buildroot for
 # out of tree build. We build perf in $(LINUX_DIR)/tools/perf/ and not just