ensure mp. props are not prefixed with geronimo-jwt-auth.
diff --git a/src/main/java/org/apache/geronimo/microprofile/impl/jwtauth/config/PrefixedConfig.java b/src/main/java/org/apache/geronimo/microprofile/impl/jwtauth/config/PrefixedConfig.java
index 639e766..8e97b26 100644
--- a/src/main/java/org/apache/geronimo/microprofile/impl/jwtauth/config/PrefixedConfig.java
+++ b/src/main/java/org/apache/geronimo/microprofile/impl/jwtauth/config/PrefixedConfig.java
@@ -28,6 +28,9 @@
 
     @Override
     public String read(final String value, final String def) {
+        if (value.startsWith("mp.")) {
+            return delegate.read(value, def);
+        }
         return delegate.read("geronimo.jwt-auth." + value, def);
     }
 }