diff --git a/bouquin/statistics_dialog.py b/bouquin/statistics_dialog.py
index f6898e0..659f79f 100644
--- a/bouquin/statistics_dialog.py
+++ b/bouquin/statistics_dialog.py
@@ -249,7 +249,7 @@ class StatisticsDialog(QDialog):
 
         self.setWindowTitle(strings._("statistics"))
         self.setMinimumWidth(600)
-        self.setMinimumHeight(350)
+        self.setMinimumHeight(400)
         root = QVBoxLayout(self)
 
         (
diff --git a/bouquin/version_check.py b/bouquin/version_check.py
index afbc409..a57e125 100644
--- a/bouquin/version_check.py
+++ b/bouquin/version_check.py
@@ -144,7 +144,7 @@ class VersionChecker:
             QMessageBox.warning(
                 self._parent,
                 strings._("update"),
-                strings._("could_not_check_for_updates") + e,
+                strings._("could_not_check_for_updates") + str(e),
             )
             return
 
@@ -320,7 +320,7 @@ class VersionChecker:
             QMessageBox.critical(
                 self._parent,
                 strings._("update"),
-                strings._("failed_to_download_update") + e,
+                strings._("failed_to_download_update") + str(e),
             )
             return
 
@@ -334,7 +334,7 @@ class VersionChecker:
             QMessageBox.critical(
                 self._parent,
                 strings._("update"),
-                strings._("could_not_read_bundled_gpg_public_key") + e,
+                strings._("could_not_read_bundled_gpg_public_key") + str(e),
             )
             # On failure, delete the downloaded files for safety
             for p in (appimage_path, sig_path):