diff --git a/crucible-install.sh b/crucible-install.sh
index 6ddd9af..e72b40d 100755
--- a/crucible-install.sh
+++ b/crucible-install.sh
@@ -37,6 +37,7 @@ EC_PULL_FAIL=16
 EC_RELEASE_DEFAULT_REPO_ONLY=18
 EC_RELEASE_CONFLICTS_WITH_BRANCH=19
 EC_INVALID_QUAY_EXPIRATION_LENGTH=20
+EC_OAUTH_FILE_NOT_FOUND=21
 
 # remove a previous installation log
 if [ -e ${GIT_INSTALL_LOG} ]; then
@@ -504,6 +505,12 @@ if [ -n "${CRUCIBLE_ENGINE_QUAY_EXPIRATION_LENGTH}" ]; then
     fi
 fi
 
+if [ -n "${CRUCIBLE_ENGINE_QUAY_EXPIRATION_REFRESH_TOKEN}" ]; then
+    if [ ! -f "${CRUCIBLE_ENGINE_QUAY_EXPIRATION_REFRESH_TOKEN}" ]; then
+        exit_error "Crucible Quay engine refresh token file not found. See --quay-engine-expiration-refresh-token for details." $EC_OAUTH_FILE_NOT_FOUND
+    fi
+fi
+
 if [ ! -z ${CRUCIBLE_ENGINE_AUTH_FILE+x} ]; then
     if [ ! -f $CRUCIBLE_ENGINE_AUTH_FILE ]; then
         exit_error "Crucible authentication file not found. See --engine-auth-file for details." $EC_AUTH_FILE_NOT_FOUND
diff --git a/tests/test-installer b/tests/test-installer
index 767d6df..ac05f88 100755
--- a/tests/test-installer
+++ b/tests/test-installer
@@ -73,6 +73,19 @@ for arg_mode in client-server engine; do
     stop_test
 done
 
+start_test
+# oauth file not found
+ec=$(grep EC_OAUTH_FILE_NOT_FOUND= crucible-install.sh | cut -d '=' -f2)
+sudo ./crucible-install.sh \
+     --git-repo ${CRUCIBLE_DIR} \
+     --engine-registry myregistry.io/crucible \
+     --engine-auth-file /tmp/auth-file.json \
+     --quay-engine-expiration-refresh-token /tmp/oauth-file.json \
+     --quay-engine-expiration-refresh-api-url myregistry.io/crucible/api/url \
+     --verbose
+test "$?" = "$ec" || exit 1
+stop_test
+
 for arg_mode in client-server engine; do
     start_test
     echo "testing arg_mode=${arg_mode}"