diff --git a/src/view/ConversationWindow.vala b/src/view/ConversationWindow.vala
index 15901ab..0bc935e 100644
--- a/src/view/ConversationWindow.vala
+++ b/src/view/ConversationWindow.vala
@@ -292,7 +292,8 @@ namespace Venom {
     public signal void send();
 
     public bool on_key_press_event(Gdk.EventKey event) {
-      if (event.keyval == key.accel_key && event.state == key.accel_mods) {
+      uint modifiers = event.state & (Gdk.ModifierType.SHIFT_MASK | Gdk.ModifierType.CONTROL_MASK);
+      if (event.keyval == key.accel_key && modifiers == key.accel_mods) {
         send();
         return true;
       }