diff --git a/test/distrib/python/run_distrib_test.sh b/test/distrib/python/run_distrib_test.sh
index d9418697333789f10380dc5078e178401191cb9c..8fd7ffb54c8ad9f07571ef929efd7d35ab0cd610 100755
--- a/test/distrib/python/run_distrib_test.sh
+++ b/test/distrib/python/run_distrib_test.sh
@@ -36,7 +36,7 @@ cd $(dirname $0)
 SDIST_ARCHIVE=$EXTERNAL_GIT_ROOT/input_artifacts/grpcio-*.tar.gz
 BDIST_DIR="file://$EXTERNAL_GIT_ROOT/input_artifacts"
 
-if [ ! -f "${SDIST_ARCHIVE}" ]
+if [ ! -f ${SDIST_ARCHIVE} ]
 then
   echo "Archive ${SDIST_ARCHIVE} does not exist."
   exit 1
@@ -52,7 +52,7 @@ $PIP install --upgrade six
 
 GRPC_PYTHON_BINARIES_REPOSITORY="${BDIST_DIR}" \
     $PIP install \
-    "${SDIST_ARCHIVE}"
+    ${SDIST_ARCHIVE}
 
 $PYTHON distribtest.py