diff --git a/pyqtgraph/opengl/GLViewWidget.py b/pyqtgraph/opengl/GLViewWidget.py
index 64adb79c..723b288b 100644
--- a/pyqtgraph/opengl/GLViewWidget.py
+++ b/pyqtgraph/opengl/GLViewWidget.py
@@ -486,7 +486,7 @@ class GLViewWidget(QtWidgets.QOpenGLWidget):
                 return
             try:
                 del self.keysPressed[ev.key()]
-            except:
+            except KeyError:
                 self.keysPressed = {}
             self.evalKeyState()