diff -Nru usb-creator-0.3.16/debian/changelog usb-creator-0.3.17/debian/changelog
--- usb-creator-0.3.16/debian/changelog	2022-12-16 22:03:06.000000000 +0000
+++ usb-creator-0.3.17/debian/changelog	2023-06-09 17:21:00.000000000 +0000
@@ -1,3 +1,10 @@
+usb-creator (0.3.17) mantic; urgency=medium
+
+  * Resolve an issue where the --iso argument was ignored when there are ISO
+    files in the ~/Downloads directory. Thanks to Atlas Yu for the patch.
+
+ -- Brian Murray <brian@ubuntu.com>  Fri, 09 Jun 2023 10:21:00 -0700
+
 usb-creator (0.3.16) lunar; urgency=medium
 
   * Update versions stings and manpage thanks to Akbarkhon Variskhanov for the
diff -Nru usb-creator-0.3.16/usbcreator/frontends/gtk/frontend.py usb-creator-0.3.17/usbcreator/frontends/gtk/frontend.py
--- usb-creator-0.3.16/usbcreator/frontends/gtk/frontend.py	2022-12-16 21:42:59.000000000 +0000
+++ usb-creator-0.3.17/usbcreator/frontends/gtk/frontend.py	2023-06-09 17:18:26.000000000 +0000
@@ -137,11 +137,15 @@
         self.setup_targets_treeview()
 
         # Pre-populate the source view.
+        search_dir_ids = []
         if img is not None:
             self.backend.add_image(img)
             self.source_vbox.hide()
+        else:
+            search_dir_ids = [GLib.UserDirectory.DIRECTORY_DOWNLOAD,
+                              GLib.UserDirectory.DIRECTORY_DESKTOP]
 
-        for search_dir_id in [GLib.UserDirectory.DIRECTORY_DOWNLOAD, GLib.UserDirectory.DIRECTORY_DESKTOP]:
+        for search_dir_id in search_dir_ids:
             search_dir = GLib.get_user_special_dir(search_dir_id)
             if search_dir and os.path.isdir(search_dir):
                 # TODO evand 2009-10-22: File type detection based on file(1).
diff -Nru usb-creator-0.3.16/usbcreator/frontends/kde/frontend.py usb-creator-0.3.17/usbcreator/frontends/kde/frontend.py
--- usb-creator-0.3.16/usbcreator/frontends/kde/frontend.py	2022-12-16 21:42:59.000000000 +0000
+++ usb-creator-0.3.17/usbcreator/frontends/kde/frontend.py	2023-06-09 17:18:26.000000000 +0000
@@ -90,12 +90,12 @@
         #add any file sources passed
         if self.__img is not None:
             self.__backend.add_image(misc.text_type(self.__img))
-
-        downloadsDir = QDir(QStandardPaths.standardLocations(QStandardPaths.DownloadLocation)[0])
-        isoFilter = []
-        isoFilter.append("*.iso")
-        for iso in downloadsDir.entryList(isoFilter, QDir.Files):
-            self.__backend.add_image(misc.text_type(downloadsDir.absoluteFilePath(iso)))
+        else:
+            downloadsDir = QDir(QStandardPaths.standardLocations(QStandardPaths.DownloadLocation)[0])
+            isoFilter = []
+            isoFilter.append("*.iso")
+            for iso in downloadsDir.entryList(isoFilter, QDir.Files):
+                self.__backend.add_image(misc.text_type(downloadsDir.absoluteFilePath(iso)))
 
         def test_func(*a):
             if not queue.empty():