diff --git a/package/linux-hardened/config.nix b/package/linux-hardened/config.nix
index 04026d0..776de06 100644
--- a/package/linux-hardened/config.nix
+++ b/package/linux-hardened/config.nix
@@ -213,6 +213,7 @@
 
   interfaces = {
     SYSVIPC = true;
+    POSIX_MQUEUE = true;
     USELIB = false;
 
     UID16 = false;