diff --git a/lib/matplotlib/tests/test_ticker.py b/lib/matplotlib/tests/test_ticker.py
index 565f32105cea..36b83c95b3d3 100644
--- a/lib/matplotlib/tests/test_ticker.py
+++ b/lib/matplotlib/tests/test_ticker.py
@@ -1177,11 +1177,11 @@ def test_pprint(self, value, domain, expected):
         assert label == expected
 
     @pytest.mark.parametrize('value, long, short', [
-        (0.0, "0", "0           "),
-        (0, "0", "0           "),
-        (-1.0, "-10^0", "-1          "),
-        (2e-10, "2x10^-10", "2e-10       "),
-        (1e10, "10^10", "1e+10       "),
+        (0.0, "0", "0"),
+        (0, "0", "0"),
+        (-1.0, "-10^0", "-1"),
+        (2e-10, "2x10^-10", "2e-10"),
+        (1e10, "10^10", "1e+10"),
     ])
     def test_format_data(self, value, long, short):
         fig, ax = plt.subplots()
diff --git a/lib/matplotlib/ticker.py b/lib/matplotlib/ticker.py
index 16949204a218..f042372a7be9 100644
--- a/lib/matplotlib/ticker.py
+++ b/lib/matplotlib/ticker.py
@@ -1024,7 +1024,7 @@ def format_data(self, value):
 
     def format_data_short(self, value):
         # docstring inherited
-        return '%-12g' % value
+        return ('%-12g' % value).rstrip()
 
     def _pprint_val(self, x, d):
         # If the number is not too big and it's an int, format it as an int.