1 files changed, 1 insertions, 1 deletions
diff --git a/complex.c b/complex.c
index 390658b487..49ce51f905 100644
--- a/complex.c
+++ b/complex.c
@@ -1210,7 +1210,7 @@ string_to_c_strict(VALUE self)
     VALUE a = string_to_c_internal(self);
     if (NIL_P(RARRAY_PTR(a)[0]) || RSTRING_LEN(RARRAY_PTR(a)[1]) > 0) {
 	VALUE s = f_inspect(self);
-	rb_raise(rb_eArgError, "invalid value for Complex: %s",
+	rb_raise(rb_eArgError, "invalid value for convert(): %s",
 		 StringValuePtr(s));
     }
     return RARRAY_PTR(a)[0];