diff --git a/start-redis.sh b/start-redis.sh
index d1671be..61495aa 100755
--- a/start-redis.sh
+++ b/start-redis.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-sh -c "docker run -p 6379:6379 -d redis:$INPUT_REDIS_VERSION"
+sh -c "docker run -p 6379:6379 -d redis:$INPUT_REDIS-VERSION"