diff --git a/content.sh b/content.sh
index 7f5cb29..9a5db2c 100755
--- a/content.sh
+++ b/content.sh
@@ -23,6 +23,12 @@ then
 	exit 1
 fi
 
+if [[ -z $team ]]
+then
+	echo "$0:" '-t is required' >&2
+	exit 1
+fi
+
 gamePk=$(./livepk.sh -t $team)
 if [[ -z $gamePk || "$gamePk" = 'null' ]]
 then
diff --git a/subscribe.sh b/subscribe.sh
index 05d7634..044e006 100755
--- a/subscribe.sh
+++ b/subscribe.sh
@@ -23,6 +23,12 @@ then
 	exit 1
 fi
 
+if [[ -z $team ]]
+then
+	echo "$0:" '-t is required' >&2
+	exit 1
+fi
+
 gamePk=$(./livepk.sh -t $team)
 if [[ -z $gamePk || "$gamePk" = 'null' ]]
 then