diff --git a/definitions/grib1/localConcepts/rjtd/cfVarName.def b/definitions/grib1/localConcepts/rjtd/cfVarName.def
index 9e91f31b1..74b9948f8 100644
--- a/definitions/grib1/localConcepts/rjtd/cfVarName.def
+++ b/definitions/grib1/localConcepts/rjtd/cfVarName.def
@@ -890,7 +890,7 @@
 	 indicatorOfParameter = 87 ;
 	}
 #Vertical integral of eastward water vapour flux
-'~' = {
+'vi' = {
 	 table2Version = 200 ;
 	 indicatorOfParameter = 157 ;
 	}