diff --git a/installer.sh b/installer.sh
index 29e4222..804f85d 100755
--- a/installer.sh
+++ b/installer.sh
@@ -126,7 +126,7 @@ cat >> "$LSETTINGS" <<EOF
 \$wgDefaultSkin = "vector";
 
 # Enable Redis caching
-\$wgMainCacheType = CACHE_REDIS;
+\$wgMainCacheType = 'redis';
 \$wgMemCachedServers = ["127.0.0.1:6379"];
 
 EOF