diff --git a/aa_engine/aas_log.m b/aa_engine/aas_log.m
index 22a7c5b31..47cac96b2 100644
--- a/aa_engine/aas_log.m
+++ b/aa_engine/aas_log.m
@@ -60,7 +60,10 @@ function aas_log(aap,iserr,msg,style)
         cd(aap.internal.pwd)
     end
     
-    if aap.options.verbose ~= -1, error('aa:internal','aa error:\n%s\n',msg); end % undocumented, for devel only
+    % undocumented, for devel only
+    if aap.options.verbose ~= -1
+        error('aa:internal','aa error:\n%s\n','see above (or set aap.options.verbose')
+    end 
 else % warnings
     if aap.options.verbose == 2, logitem([msg '\n'],style); end
 end