diff --git a/common/environment/setup/sourcepkg.sh b/common/environment/setup/sourcepkg.sh
index db42002ff14..0a6e54f96cf 100644
--- a/common/environment/setup/sourcepkg.sh
+++ b/common/environment/setup/sourcepkg.sh
@@ -28,6 +28,7 @@ unset -v nodebug
 ## FUNCTIONS
 unset -f pre_fetch do_fetch post_fetch
 unset -f pre_extract do_extract post_extract
+unset -f pre_patch do_patch post_patch
 unset -f pre_configure do_configure post_configure
 unset -f pre_build do_build post_build
 unset -f pre_check do_check post_check