diff --git a/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C b/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C
index ad3169210d2..3d742cfebd8 100644
--- a/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C
+++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C
@@ -19,7 +19,7 @@ private:
 
 constexpr A f() {
     A a{};
-    for (int i = 1; i <= n; i++) {
+    for (int i = 0; i < n; i++) {
         a[i] = i;
     }
     return a;