diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index cb6d8d1bb0..5e7317bd7a 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -13343,7 +13343,7 @@ dumpCollation(Archive *fout, const CollInfo *collinfo)
 		}
 	}
 	else
-		pg_fatal("unrecognized collation provider '%c'", collprovider[0]);
+		pg_fatal("unrecognized collation provider: %s", collprovider);
 
 	/*
 	 * For binary upgrade, carry over the collation version.  For normal