diff --git a/src/Magnum/Math/Test/RectangularMatrixTest.cpp b/src/Magnum/Math/Test/RectangularMatrixTest.cpp
index 77e5500f3..6a140a0da 100644
--- a/src/Magnum/Math/Test/RectangularMatrixTest.cpp
+++ b/src/Magnum/Math/Test/RectangularMatrixTest.cpp
@@ -211,7 +211,7 @@ void RectangularMatrixTest::convert() {
     constexpr Matrix2x3 b(Vector3(1.5f, 2.0f, -3.5f),
                           Vector3(2.0f, -3.1f,  0.4f));
 
-    constexpr Matrix2x3 c(b);
+    constexpr Matrix2x3 c{a};
     CORRADE_COMPARE(c, b);
 
     constexpr Mat2x3 d(b);
diff --git a/src/Magnum/Math/Test/VectorTest.cpp b/src/Magnum/Math/Test/VectorTest.cpp
index dbca581fe..d57079f74 100644
--- a/src/Magnum/Math/Test/VectorTest.cpp
+++ b/src/Magnum/Math/Test/VectorTest.cpp
@@ -234,7 +234,7 @@ void VectorTest::convert() {
     constexpr Vec3 a{1.5f, 2.0f, -3.5f};
     constexpr Vector3 b(1.5f, 2.0f, -3.5f);
 
-    constexpr Vector3 c(b);
+    constexpr Vector3 c{a};
     CORRADE_COMPARE(c, b);
 
     constexpr Vec3 d(b);