diff --git a/bin/test_extension.sh b/bin/test_extension.sh
index fb2b9e2..da7dc25 100755
--- a/bin/test_extension.sh
+++ b/bin/test_extension.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-NON_SLS_PILLAR=$(find pillar -type f | egrep -v "(macros.jinja|valid_custom_grains.yaml|\.sls$)")
+NON_SLS_PILLAR=$(find pillar -type f | egrep -v "(macros.jinja|(FORMULAS|valid_custom_grains).yaml|\.sls$)")
 NON_SLS_SALT=$(find salt -type f | egrep -v "/(files|templates)/|pillar.example$|\.sls$")
 NON_SLS=( ${NON_SLS_PILLAR} ${NON_SLS_SALT} )