diff --git a/mopidy_iris/system.sh b/mopidy_iris/system.sh
index 24bdeaef..be466caa 100755
--- a/mopidy_iris/system.sh
+++ b/mopidy_iris/system.sh
@@ -7,7 +7,7 @@ else
 fi
 
 if [[ $1 = "upgrade" ]]; then
-	if [[ $IS_CONTAINER ]]; then
+	if $IS_CONTAINER; then
 		echo "cd /iris && git checkout master && git pull origin master"
 		UPGRADE="$(cd /iris && git checkout master && git pull origin master)"
 	else
@@ -17,7 +17,7 @@ if [[ $1 = "upgrade" ]]; then
 	echo -e "${UPGRADE}"
 
 elif [[ $1 = "restart" ]]; then
-	if [[ $IS_CONTAINER ]]; then
+	if $IS_CONTAINER; then
 		echo -e "Cannot restart Mopidy when running in a Docker container"
 		exit 1
 	else
@@ -26,8 +26,7 @@ elif [[ $1 = "restart" ]]; then
 	fi
 
 elif [[ $1 = "local_scan" ]]; then
-
-	if [[ $IS_CONTAINER ]]; then
+	if $IS_CONTAINER; then
 		SCAN="$(mopidy --config /config/mopidy.conf local scan)"
 	else
 		SCAN="$(sudo mopidyctl local scan)"
@@ -38,7 +37,6 @@ elif [[ $1 = "check" ]]; then
 	echo -e "Access permitted"
 
 elif [[ $1 = "test" ]]; then
-
 	sleep 3
 
 	TEST=$(echo "Hello, this is your bash speaking. I was sleeping for 3 seconds. Is running a container: $IS_CONTAINER")
@@ -49,4 +47,4 @@ else
 	exit 1
 fi
 
-exit 0
\ No newline at end of file
+exit 0