diff --git a/check.sh b/check.sh
index 41a3208..27d7e77 100755
--- a/check.sh
+++ b/check.sh
@@ -1,3 +1,4 @@
 #!/bin/sh
 
-fc-list :outline -f "%{family}\n" | grep Open
+fc-cache
+fc-list :outline -f "%{family}\n" | grep -i Open