diff --git a/src/interfaces/ecpg/preproc/preproc.y b/src/interfaces/ecpg/preproc/preproc.y
index 6b93e767e3e7da96319bec01fb34544b1db7e5df..41455566be07acf6418789a3a3dc198fd90a31e4 100644
--- a/src/interfaces/ecpg/preproc/preproc.y
+++ b/src/interfaces/ecpg/preproc/preproc.y
@@ -1460,7 +1460,7 @@ ConstraintDeferrabilitySpec: NOT DEFERRABLE	{ $$ = make_str("not deferrable"); }
                 ;
 
 ConstraintTimeSpec: INITIALLY IMMEDIATE		{ $$ = make_str("initially immediate"); }
-                | INITIALLY DEFERRED	{ $$ = make_str("initially deferrable"); }
+                | INITIALLY DEFERRED	{ $$ = make_str("initially deferred"); }
                 ;
 
 DropTrigStmt:  DROP TRIGGER name ON relation_name