diff --git a/library/firefox_addon b/library/firefox_addon
index 57f14a3..6078940 100644
--- a/library/firefox_addon
+++ b/library/firefox_addon
@@ -23,7 +23,7 @@ ensure_profile() {
   [[ $? -eq 0 ]] || fail "couldn't determine profile path" "$_stdout"
   [[ $_stdout =~ Success:\ created\ profile\ \'(.+)\'\ at\ \'(.+)\' ]] || fail "couldn't determine profile path"
   local _profile_path=${BASH_REMATCH[2]}
-  result "$_result_name" ${profile_path%/*}
+  result "$_result_name" ${_profile_path%/*}
 }
 
 url_slug() {
diff --git a/tests/container-test.bats b/tests/container-test.bats
index c8035aa..810bd39 100644
--- a/tests/container-test.bats
+++ b/tests/container-test.bats
@@ -16,7 +16,9 @@ docker_exec_d() {
 }
 
 docker_exec_sh() {
-  docker exec $DOCKER_CONTAINER_NAME sh -c '$@' > /dev/null
+  # workaround for https://github.com/sstephenson/bats/issues/89
+  local IFS=' '
+  docker exec $DOCKER_CONTAINER_NAME sh -c "$*" > /dev/null
 }
 
 ansible_exec_module() {
@@ -69,7 +71,7 @@ setup() {
   [[ $output =~ changed.*true ]]
   run ansible_exec_module firefox_addon "url=$addon_url state=absent display=:1"
   [[ $output =~ changed.*true ]]
-  docker_exec_sh test ! -e "/usr/lib64/firefox/browser/extensions/{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}"
+  docker_exec_sh test ! -e "~/.mozilla/firefox/*.default/extensions/{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}"
 }
 
 @test "Module exec with state present twice and check idempotent" {