diff --git a/make/Makefile.TSGXNXR620G40R01P0804 b/make/Makefile.TSGXNXR620G40R01P0804
index 614ee60d..6c5b7c1b 100644
--- a/make/Makefile.TSGXNXR620G40R01P0804
+++ b/make/Makefile.TSGXNXR620G40R01P0804
@@ -55,6 +55,7 @@ sysroot-ansible: sysroot-verfile sysroot-base
 	cp /etc/hosts $(TARGET_SYSROOT_DIR)/etc/ -r
 	$(TOOLSDIR)/ansible-HAL $(PROFILE_ID) $(PROJECTDIR) $(TARGET_SYSROOT_DIR) /tmp/yum-RockyLinux-8.conf
 	cp $(TARGET_SYSROOT_DIR)/tmp/hosts $(TARGET_SYSROOT_DIR)/etc/ -r
+	umount $(TARGET_SYSROOT_DIR)/proc
 
 sysroot-cleanup:
 	rm -rf $(TARGET_SYSROOT_DIR)/tmp/*