diff --git a/debian/scripts/export-patchqueue b/debian/scripts/export-patchqueue
index 3b7be22..e319607 100755
--- a/debian/scripts/export-patchqueue
+++ b/debian/scripts/export-patchqueue
@@ -6,7 +6,7 @@ top=$(pwd)
 
 if [ "$#" -ne 3 ]; then
     echo "USAGE: $0 repo patchdir ref"
-    echo "\t exports patches from 'repo' to 'patchdir' based on 'ref'"
+    printf "\t exports patches from 'repo' to 'patchdir' based on 'ref'\n"
     exit 1
 fi
 
@@ -30,6 +30,6 @@ git format-patch \
     "${top}/${kernel_patchdir}" \
     "${base_ref}.."
 
-git checkout ${base_ref}
+git checkout "${base_ref}"
 
 cd "${top}"