diff --git a/lib/matplotlib/backends/backend_qt.py b/lib/matplotlib/backends/backend_qt.py
index c592858cef0b..e693811df4f0 100644
--- a/lib/matplotlib/backends/backend_qt.py
+++ b/lib/matplotlib/backends/backend_qt.py
@@ -393,7 +393,7 @@ def sizeHint(self):
         w, h = self.get_width_height()
         return QtCore.QSize(w, h)
 
-    def minumumSizeHint(self):
+    def minimumSizeHint(self):
         return QtCore.QSize(10, 10)
 
     @staticmethod