diff --git a/CHANGELOG.md b/CHANGELOG.md
index 67181b259..59e25a7b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ since 0.4.1, and this project adheres to [Semantic Versioning](https://semver.or
 - Update the theme correctly on dark/light mode changes
   ([#1238](https://github.com/freedomofpress/dangerzone/issues/1238))
 - Update Linux .desktop file with missing MIME types for HWP and ODF formats ([#646](https://github.com/freedomofpress/dangerzone/issues/646))
+- Elide long filenames in the filename label to prevent UI elements from being pushed off-screen ([#143](https://github.com/freedomofpress/dangerzone/issues/143))
 
 ### Added
 
diff --git a/dangerzone/gui/main_window.py b/dangerzone/gui/main_window.py
index 9590f3089..04c58f51d 100644
--- a/dangerzone/gui/main_window.py
+++ b/dangerzone/gui/main_window.py
@@ -1667,9 +1667,14 @@ def __init__(
         self.dangerous_doc_label.setAlignment(
             QtCore.Qt.AlignVCenter | QtCore.Qt.AlignLeft
         )
-        self.dangerous_doc_label.setText(os.path.basename(self.document.input_filename))
+        doc_name = os.path.basename(self.document.input_filename)
+        self.dangerous_doc_label.setToolTip(doc_name)
         self.dangerous_doc_label.setMinimumWidth(200)
         self.dangerous_doc_label.setMaximumWidth(200)
+        # Elide text with '...' when the filename is too long for the label width
+        metrics = self.dangerous_doc_label.fontMetrics()
+        elided = metrics.elidedText(doc_name, QtCore.Qt.ElideMiddle, 200)
+        self.dangerous_doc_label.setText(elided)
 
         # Conversion status images
         self.img_status_unconverted = self.load_status_image("status_unconverted.png")