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-rw-r--r--lib/common.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/common.sh b/lib/common.sh
index a11d6e4..73293d7 100644
--- a/lib/common.sh
+++ b/lib/common.sh
@@ -31,7 +31,7 @@ _ob_local()
_ob_return()
{
# Unset the variables at the top of the stack.
- unset ${_OB_STACK_VARS##*|}
+ unset -v ${_OB_STACK_VARS##*|}
# Pop the variable list from the top of the stack.
_OB_STACK_VARS="${_OB_STACK_VARS%|*}"