diff --git a/lib/solaar/cli/__init__.py b/lib/solaar/cli/__init__.py
index 36c9b048..2b669d4c 100644
--- a/lib/solaar/cli/__init__.py
+++ b/lib/solaar/cli/__init__.py
@@ -165,4 +165,5 @@ def run(cli_args=None, hidraw_path=None):
 		tb_last = extract_tb(_sys.exc_info()[2])[-1]
 		_sys.exit('%s: assertion failed: %s line %d' % (NAME.lower(), tb_last[0], tb_last[1]))
 	except Exception as e:
-		_sys.exit('%s: error: %s' % (NAME.lower(), e))
+		from traceback import format_exc
+		_sys.exit('%s: error: %s' % (NAME.lower(), format_exc()))
diff --git a/lib/solaar/gtk.py b/lib/solaar/gtk.py
index 47409dfa..b2f3c2c2 100755
--- a/lib/solaar/gtk.py
+++ b/lib/solaar/gtk.py
@@ -118,7 +118,8 @@ def main():
 		ui.run_loop(listener.start_all, listener.stop_all, args.window!='only', args.window!='hide')
 	except Exception as e:
 		import sys
-		sys.exit('%s: error: %s' % (NAME.lower(), e))
+		from traceback import format_exc
+		sys.exit('%s: error: %s' % (NAME.lower(), format_exc()))
 
 
 if __name__ == '__main__':