diff --git a/pandas/tests/indexing/test_iloc.py b/pandas/tests/indexing/test_iloc.py
index bfc6b820c0fc0..137817befda2a 100644
--- a/pandas/tests/indexing/test_iloc.py
+++ b/pandas/tests/indexing/test_iloc.py
@@ -875,6 +875,13 @@ def test_iloc_setitem_dictionary_value(self):
         expected = DataFrame({"x": [1, 9], "y": [2.0, 99.0]})
         tm.assert_frame_equal(df, expected)
 
+    def test_iloc_truncate_data_wrong_axis_single_column(self):
+        # GH30263
+        df = DataFrame({"A": [1] * 10})
+        df = df.iloc[:, :5]
+        expected = np.array([10, 1])
+        tm.assert_equal(np.array(df.shape), expected)
+
 
 class TestILocErrors:
     # NB: this test should work for _any_ Series we can pass as