diff --git a/espeak-ng-data/lang/iro/chr b/espeak-ng-data/lang/iro/chr
index d0ef6f2e..abe29382 100644
--- a/espeak-ng-data/lang/iro/chr
+++ b/espeak-ng-data/lang/iro/chr
@@ -18,11 +18,10 @@ phonemes chr
 
 //stress on all syllables to simulate stress on no syllables
 stressRule 9 
-stressLength 225 225 225 225 225 225 225 225 //all vowels the same length regardless of stress
-stressAmp 20 20 20 20 20 20 20 20  //all vowels the same strength regardless of marked stress
+stressLength 175 175 175 175 175 175 175 175 //all vowels the same length regardless of stress
+stressAmp 10 10 10 10 10 10 10 10  //all vowels the same strength regardless of marked stress
 
 intonation 1
-//pitch 30 90
 
 tunes	chrs chrc chrq chre