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-rw-r--r--grammar/tacextend.ml42
1 files changed, 1 insertions, 1 deletions
diff --git a/grammar/tacextend.ml4 b/grammar/tacextend.ml4
index 41cd830b5..e3e957d95 100644
--- a/grammar/tacextend.ml4
+++ b/grammar/tacextend.ml4
@@ -34,7 +34,7 @@ let rec make_when loc = function
let l = make_when loc l in
let loc = CompatLoc.merge loc' loc in
let t = mlexpr_of_argtype loc' t in
- <:expr< Genarg.genarg_tag $lid:p$ = $t$ && $l$ >>
+ <:expr< Genarg.argument_type_eq (Genarg.genarg_tag $lid:p$) $t$ && $l$ >>
| _::l -> make_when loc l
let rec make_let e = function