diff --git a/docs/source/conf.py b/docs/source/conf.py
index f89a542..e9c94bd 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -64,7 +64,7 @@
     h5py
     matplotlib
     numpy
-    pyqt5
+    PyQt5
     pyRestTable
     spec2nexus
     tiled