diff --git a/templates/.config/niri/config.kdl.j2 b/templates/.config/niri/config.kdl.j2
index 79f9876..ccaac02 100644
--- a/templates/.config/niri/config.kdl.j2
+++ b/templates/.config/niri/config.kdl.j2
@@ -247,6 +247,13 @@ window-rule {
     open-floating true
 }
 
+// Force STM32CubeProgrammer dialogs floating
+window-rule {
+    match app-id="com.st.app.Main"
+    match title="Message"
+    open-floating true
+}
+
 // Example: block out two password managers from screen capture.
 // (This example rule is commented out with a "/-" in front.)
 /-window-rule {