diff --git a/policy-01-appraise-executable-and-lib-signatures b/policy-01-appraise-executable-and-lib-signatures
index 53feed5..1d5ab50 100644
--- a/policy-01-appraise-executable-and-lib-signatures
+++ b/policy-01-appraise-executable-and-lib-signatures
@@ -1,28 +1,5 @@
-# Skip some unsupported filesystems
-# This list of the filesystems can be found on
-# https://www.kernel.org/doc/Documentation/ABI/testing/ima_policy
-# PROC_SUPER_MAGIC
-dont_appraise fsmagic=0x9fa0
-# SYSFS_MAGIC
-dont_appraise fsmagic=0x62656572
-# DEBUGFS_MAGIC
-dont_appraise fsmagic=0x64626720
-# TMPFS_MAGIC
-dont_appraise fsmagic=0x01021994
-# RAMFS_MAGIC
-dont_appraise fsmagic=0x858458f6
-# DEVPTS_SUPER_MAGIC
-dont_appraise fsmagic=0x1cd1
-# BINFMTFS_MAGIC
-dont_appraise fsmagic=0x42494e4d
-# SECURITYFS_MAGIC
-dont_appraise fsmagic=0x73636673
-# SELINUX_MAGIC
-dont_appraise fsmagic=0xf97cff8c
-# CGROUP_SUPER_MAGIC
-dont_appraise fsmagic=0x27e0eb
-# NSFS_MAGIC
-dont_appraise fsmagic=0x6e736673
+# Allow use cases like libffi
+dont_appraise mask=MAY_EXEC func=MMAP_CHECK fsmagic=0x01021994
 
 appraise func=MMAP_CHECK mask=MAY_EXEC appraise_type=imasig
 appraise func=BPRM_CHECK appraise_type=imasig