diff --git a/utils/coremark/Makefile b/utils/coremark/Makefile
index a5c20dc370..b1a8d04d20 100644
--- a/utils/coremark/Makefile
+++ b/utils/coremark/Makefile
@@ -69,8 +69,8 @@ endif
 
 define Build/Compile
 	$(SED) 's|EXE = .exe|EXE =|' $(PKG_BUILD_DIR)/posix/core_portme.mak
-	mkdir $(PKG_BUILD_DIR)/$(ARCH)
-	$(CP) -r $(PKG_BUILD_DIR)/linux/* $(PKG_BUILD_DIR)/$(ARCH)
+	[ -d "$(PKG_BUILD_DIR)/$(ARCH)" ] || mkdir $(PKG_BUILD_DIR)/$(ARCH)
+	$(CP) -r $(PKG_BUILD_DIR)/linux/* $(PKG_BUILD_DIR)/$(ARCH)/
 	$(MAKE) -C $(PKG_BUILD_DIR) PORT_DIR=$(ARCH) $(MAKE_FLAGS) \
 		PORT_CFLAGS="$(TARGET_CFLAGS)" XCFLAGS="$(EXTRA_CFLAGS)" compile
 endef