diff --git a/contrib/build-wine/deterministic.spec b/contrib/build-wine/deterministic.spec
index 53aafd85a..3ed9f52c5 100644
--- a/contrib/build-wine/deterministic.spec
+++ b/contrib/build-wine/deterministic.spec
@@ -22,6 +22,7 @@ hiddenimports += collect_submodules('btchip')
 hiddenimports += collect_submodules('keepkeylib')
 hiddenimports += collect_submodules('websocket')
 hiddenimports += collect_submodules('ckcc')
+hiddenimports += ['PyQt5.QtPrintSupport']  # needed by Revealer
 
 # safetlib imports PyQt5.Qt.  We use a local updated copy of pinmatrix.py until they
 # release a new version that includes https://github.com/archos-safe-t/python-safet/commit/b1eab3dba4c04fdfc1fcf17b66662c28c5f2380e
diff --git a/contrib/osx/osx.spec b/contrib/osx/osx.spec
index 2bf74f2f6..45c02f837 100644
--- a/contrib/osx/osx.spec
+++ b/contrib/osx/osx.spec
@@ -65,6 +65,7 @@ hiddenimports += collect_submodules('btchip')
 hiddenimports += collect_submodules('keepkeylib')
 hiddenimports += collect_submodules('websocket')
 hiddenimports += collect_submodules('ckcc')
+hiddenimports += ['PyQt5.QtPrintSupport']  # needed by Revealer
 
 # safetlib imports PyQt5.Qt.  We use a local updated copy of pinmatrix.py until they
 # release a new version that includes https://github.com/archos-safe-t/python-safet/commit/b1eab3dba4c04fdfc1fcf17b66662c28c5f2380e