diff --git a/CHANGELOG.md b/CHANGELOG.md
index 62dc1cf..fadcc5f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,6 @@
  * Make it possible to delete revisions
  * Make it possible to force-lock the screen even if idle timer hasn't tripped
  * Add shortcuts for lock and unlock of screen
- * Other misc bug fixes
 
 # 0.4.4.1
 
diff --git a/bouquin/statistics_dialog.py b/bouquin/statistics_dialog.py
index 659f79f..4950b6a 100644
--- a/bouquin/statistics_dialog.py
+++ b/bouquin/statistics_dialog.py
@@ -249,7 +249,6 @@ class StatisticsDialog(QDialog):
 
         self.setWindowTitle(strings._("statistics"))
         self.setMinimumWidth(600)
-        self.setMinimumHeight(400)
         root = QVBoxLayout(self)
 
         (
@@ -325,10 +324,16 @@ class StatisticsDialog(QDialog):
             self._revisions_by_date = revisions_by_date
 
             scroll = QScrollArea()
-            scroll.setWidgetResizable(True)
+            scroll.setWidgetResizable(False)
             scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
             scroll.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
+            self._heatmap.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
             scroll.setWidget(self._heatmap)
+
+            # ensure the scroll area is never shorter than the heatmap's preferred height
+            scroll.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
+            scroll.setMinimumHeight(self._heatmap.minimumSizeHint().height())
+
             group_layout.addWidget(scroll)
 
             root.addWidget(group)
@@ -339,6 +344,8 @@ class StatisticsDialog(QDialog):
         else:
             root.addWidget(QLabel(strings._("stats_no_data")))
 
+        self.adjustSize()
+
     # ---------- internal helpers ----------
 
     def _apply_metric(self, metric: str) -> None:
diff --git a/bouquin/version_check.py b/bouquin/version_check.py
index a57e125..afbc409 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") + str(e),
+                strings._("could_not_check_for_updates") + e,
             )
             return
 
@@ -320,7 +320,7 @@ class VersionChecker:
             QMessageBox.critical(
                 self._parent,
                 strings._("update"),
-                strings._("failed_to_download_update") + str(e),
+                strings._("failed_to_download_update") + e,
             )
             return
 
@@ -334,7 +334,7 @@ class VersionChecker:
             QMessageBox.critical(
                 self._parent,
                 strings._("update"),
-                strings._("could_not_read_bundled_gpg_public_key") + str(e),
+                strings._("could_not_read_bundled_gpg_public_key") + e,
             )
             # On failure, delete the downloaded files for safety
             for p in (appimage_path, sig_path):
diff --git a/pyproject.toml b/pyproject.toml
index 7e95f82..e22d6aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "bouquin"
-version = "0.4.5"
+version = "0.4.4.1"
 description = "Bouquin is a simple, opinionated notebook application written in Python, PyQt and SQLCipher."
 authors = ["Miguel Jacq <mig@mig5.net>"]
 readme = "README.md"