diff --git a/gcc/cp/reflect.cc b/gcc/cp/reflect.cc
index cc7ab22dc7b..44edadcb715 100644
--- a/gcc/cp/reflect.cc
+++ b/gcc/cp/reflect.cc
@@ -3121,7 +3121,7 @@ eval_offset_of (location_t loc, const constexpr_ctx *ctx, tree r,
       byte_off = BINFO_OFFSET (r);
     }
   else if (TREE_CODE (r) != FIELD_DECL)
-    return throw_exception (loc, ctx, "reflection unsuitable for offset",
+    return throw_exception (loc, ctx, "reflection unsuitable for offset_of",
 			    fun, non_constant_p, jump_target);
   else
     bit_off = bit_position (r);