diff --git a/scripts/install b/scripts/install
index 73ac2da..4f8df34 100644
--- a/scripts/install
+++ b/scripts/install
@@ -43,7 +43,7 @@ focus_user="focus"
 
 videobridge_user="jvb"
 
-user_memory_usage=1.5
+user_memory_usage=1,5
 max_memory=$(( $user_memory_usage * $maxmembers ))
 
 #=================================================