diff --git a/ARM.CMSIS.pdsc b/ARM.CMSIS.pdsc
index 886807b1..822f6221 100644
--- a/ARM.CMSIS.pdsc
+++ b/ARM.CMSIS.pdsc
@@ -617,6 +617,7 @@
     <condition id="TrustZone">
       <description>TrustZone</description>
       <require Dtz="TZ"/>
+      <deny Dsecure="TZ-disabled"/>
     </condition>
     <condition id="TZ Secure">
       <description>TrustZone (Secure)</description>