diff --git a/json/sample-json-vpHomogeneousMatrix.cpp b/json/sample-json-vpHomogeneousMatrix.cpp
index 0bc3eef..fe92aeb 100644
--- a/json/sample-json-vpHomogeneousMatrix.cpp
+++ b/json/sample-json-vpHomogeneousMatrix.cpp
@@ -5,7 +5,14 @@ int main()
 #if defined(VISP_HAVE_NLOHMANN_JSON)
   std::string filename = "homo-mat.json";
   {
-    vpHomogeneousMatrix M(vpTranslationVector(0.1, 0.2, 0.3), vpRotationMatrix({ 0, 0, -1, 0, -1, 0, -1, 0, 0 }));
+#if (VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11)
+    vpHomogeneousMatrix M(vpTranslationVector(0.1, 0.2, 0.3), vpRotationMatrix({ 0, 0, 1, 0, -1, 0, -1, 0, 0 }));
+#else
+    vpHomogeneousMatrix M;
+    M[0][0] = 0; M[0][1] = 0; M[0][2] = 1; M[0][2] = 0.1;
+    M[1][0] = 0; M[1][1] = -1; M[1][2] = 0; M[1][2] = 0.2;
+    M[2][0] = -1; M[2][1] = 0; M[2][2] = 0; M[2][2] = 0.3;
+#endif
     std::ofstream file(filename);
     const nlohmann::json j = M;
     file << j;