diff --git a/commands b/commands
index 28fc9fa..73b93a6 100755
--- a/commands
+++ b/commands
@@ -104,7 +104,7 @@ case "$1" in
     verify_service_name "$2"
     SERVICE="$2"; SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
     SERVICE_NAME="$(get_service_name "$SERVICE")"
-    DATABASE_NAME="$(get_database_name $SERVICE)"
+    DATABASE_NAME="$(get_database_name "$SERVICE")"
     PASSWORD=$(cat "$SERVICE_ROOT/PASSWORD")
 
     [[ -n $SSH_TTY ]] && stty -opost
@@ -119,7 +119,7 @@ case "$1" in
     verify_service_name "$2"
     SERVICE="$2"; SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
     SERVICE_NAME="$(get_service_name "$SERVICE")"
-    DATABASE_NAME="$(get_database_name $SERVICE)"
+    DATABASE_NAME="$(get_database_name "$SERVICE")"
     PASSWORD=$(cat "$SERVICE_ROOT/PASSWORD")
 
     if [[ -t 0 ]]; then
@@ -158,7 +158,7 @@ case "$1" in
     [[ -z $2 ]] && dokku_log_fail "Please specify a name for the service"
     verify_service_name "$2"
     SERVICE="$2"; SERVICE_ROOT="$PLUGIN_DATA_ROOT/$SERVICE"
-    DATABASE_NAME="$(get_database_name $SERVICE)"
+    DATABASE_NAME="$(get_database_name "$SERVICE")"
     SERVICE_NAME="$(get_service_name "$SERVICE")"
     has_tty && SERVICE_TTY_OPTS="-t"