diff --git a/store/tokens_test.go b/store/tokens_test.go
index 625a65d..34cca1e 100644
--- a/store/tokens_test.go
+++ b/store/tokens_test.go
@@ -22,6 +22,13 @@ func TestTruncateDecimalString(t *testing.T) {
 			want:          "4.00",
 			expectError:   false,
 		},
+		{
+			name:          "precision test",
+			input:         "2.1",
+			decimalPlaces: 2,
+			want:          "2.10",
+			expectError:   false,
+		},
 		{
 			name:          "single decimal",
 			input:         "4.1",