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-rwxr-xr-xgit-submodule.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/git-submodule.sh b/git-submodule.sh
index b57f87d..a1cc71b 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -576,7 +576,7 @@ cmd_update()
${wt_prefix:+--prefix "$wt_prefix"} \
${prefix:+--recursive-prefix "$prefix"} \
${update:+--update "$update"} \
- ${reference:+--reference "$reference"} \
+ ${reference:+"$reference"} \
${depth:+--depth "$depth"} \
${recommend_shallow:+"$recommend_shallow"} \
${jobs:+$jobs} \