diff --git a/isr-grammar/english/ToBI_OPEN_CHALLENGE/MakeVars.models b/isr-grammar/english/ToBI_OPEN_CHALLENGE/MakeVars.models
index 554a286f107d7c68641eb4fd8d6f7c216d5bc31b..e608f31bff538cf87af060eecf207cfd5aa7663f 100644
--- a/isr-grammar/english/ToBI_OPEN_CHALLENGE/MakeVars.models
+++ b/isr-grammar/english/ToBI_OPEN_CHALLENGE/MakeVars.models
@@ -1,7 +1,7 @@
 # MakeVars for biron german
 
 # grammar name
-NAME=ToBI_INSPECTION
+NAME=ToBI_OPEN_CHALLENGE
 
 # acoustic base model
 BASE=wsj1
@@ -10,7 +10,7 @@ BASE=wsj1
 LEXADDON=Noises.addon.lex
 
 # phonetic transcriptions
-PHONOS=ToBI_INSPECTION.phono Total.phono
+PHONOS=ToBI_OPEN_CHALLENGE.phono Total.phono
 
 # language for installation target
 LANGUAGE=english
diff --git a/isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_INSPECTION.ch b/isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_OPEN_CHALLENGE.ch
similarity index 100%
rename from isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_INSPECTION.ch
rename to isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_OPEN_CHALLENGE.ch
diff --git a/isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_INSPECTION.grm b/isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_OPEN_CHALLENGE.grm
similarity index 100%
rename from isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_INSPECTION.grm
rename to isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_OPEN_CHALLENGE.grm
diff --git a/isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_INSPECTION.phono b/isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_OPEN_CHALLENGE.phono
similarity index 100%
rename from isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_INSPECTION.phono
rename to isr-grammar/english/ToBI_OPEN_CHALLENGE/ToBI_OPEN_CHALLENGE.phono