diff --git a/std/internal/conv/itoa_test.jule b/std/internal/conv/itoa_test.jule
index b9477ba53..57de7e4ff 100644
--- a/std/internal/conv/itoa_test.jule
+++ b/std/internal/conv/itoa_test.jule
@@ -32,6 +32,16 @@ static casesUtoa: []utoaCase = [
 	{0, "0"},
 ]
 
+#test
+fn testItoa(t: &testing::T) {
+	for _, case in casesItoa {
+		s := Itoa(case.i)
+		if s != case.s {
+			t.Errorf("expected {} for {}, found {}", case.s, case.i, s)
+		}
+	}
+}
+
 #test
 fn testUtoa(t: &testing::T) {
 	for _, case in casesUtoa {