diff --git a/vlib/builtin/array_test.v b/vlib/builtin/array_test.v
index ee847a1f64..31b29c43cd 100644
--- a/vlib/builtin/array_test.v
+++ b/vlib/builtin/array_test.v
@@ -95,6 +95,25 @@ fn test_repeat() {
 	b := [7; 3]
 	assert b.len == 3
 	assert b[0] == 7 && b[1] == 7 && b[2] == 7
+	{
+		mut aa := [1.1 ; 10]
+		// FIXME: assert aa[0] == 1.1 will fail, need fix
+		assert aa[0] == f32(1.1)
+		assert aa[5] == f32(1.1)
+		assert aa[9] == f32(1.1)
+	}
+	{
+		mut aa := [f32(1.1) ; 10]
+		assert aa[0] == f32(1.1)
+		assert aa[5] == f32(1.1)
+		assert aa[9] == f32(1.1)
+	}
+	{
+		mut aa := [f64(1.1) ; 10]
+		assert aa[0] == f64(1.1)
+		assert aa[5] == f64(1.1)
+		assert aa[9] == f64(1.1)
+	}
 }
 
 fn test_right() {