diff --git a/artiq/browser/experiments.py b/artiq/browser/experiments.py
index 95e22d2ea..59870f2b8 100644
--- a/artiq/browser/experiments.py
+++ b/artiq/browser/experiments.py
@@ -164,6 +164,8 @@ class _ExperimentDock(QtWidgets.QMdiSubWindow):
 
     def __init__(self, area, expurl, arguments):
         QtWidgets.QMdiSubWindow.__init__(self)
+        qfm = QtGui.QFontMetrics(self.font())
+        self.resize(100*qfm.averageCharWidth(), 30*qfm.lineSpacing())
         self.setWindowTitle(expurl)
         self.setWindowIcon(QtWidgets.QApplication.style().standardIcon(
             QtWidgets.QStyle.SP_FileDialogContentsView))