diff --git a/syntax/eo.vim b/syntax/eo.vim
index 607deb8..954c5f3 100644
--- a/syntax/eo.vim
+++ b/syntax/eo.vim
@@ -78,9 +78,10 @@ hi def link eoFloat Float
 hi def link eoOctal Number
 hi def link eoOctalZero Number
 hi def link eoNumber Number
-hi def link eoNumbers Number
 hi def link eoNumbersCom Number
 
+hi def link eoOctalError Error
+
 hi def link eoStructure Structure
 hi def link eoClassTypes Structure