diff --git a/tests/co19/update.sh b/tests/co19/update.sh
index 47ecedc86c6..3a156d4e9fb 100755
--- a/tests/co19/update.sh
+++ b/tests/co19/update.sh
@@ -29,7 +29,7 @@ git commit DEPS -m \
   "$(printf "[co19] Roll co19 to $NEW\n\n" \
   && cd $CO19 \
   && git log --date='format:%Y-%m-%d' --pretty='format:%ad %ae %s' $OLD..$NEW \
-    | sed 's/\#/dart-lang\/co19\#/g'
+    | sed 's/\#/dart-lang\/co19\#/g')"
 
 rm -rf tests/co19/src.git
 
diff --git a/tests/co19_2/update.sh b/tests/co19_2/update.sh
index d7f154038c4..b910c1edf3e 100755
--- a/tests/co19_2/update.sh
+++ b/tests/co19_2/update.sh
@@ -29,7 +29,7 @@ git commit DEPS -m \
   "$(printf "[co19] Roll co19_2 to $NEW\n\n" \
   && cd $CO19 \
   && git log --date='format:%Y-%m-%d' --pretty='format:%ad %ae %s' $OLD..$NEW \
-    | sed 's/\#/dart-lang\/co19\#/g'
+    | sed 's/\#/dart-lang\/co19\#/g')"
 
 rm -rf tests/co19_2/src.git