diff --git a/main/src/ui/chat_input/encryption_button.vala b/main/src/ui/chat_input/encryption_button.vala
index 439c8ebd..0a092db0 100644
--- a/main/src/ui/chat_input/encryption_button.vala
+++ b/main/src/ui/chat_input/encryption_button.vala
@@ -11,8 +11,11 @@ public class EncryptionButton : MenuButton {
     private RadioButton? button_unencrypted;
     private Map<RadioButton, Plugins.EncryptionListEntry> encryption_radios = new HashMap<RadioButton, Plugins.EncryptionListEntry>();
     private string? current_icon;
+    private StreamInteractor stream_interactor;
+
+    public EncryptionButton(StreamInteractor stream_interactor) {
+        this.stream_interactor = stream_interactor;
 
-    public EncryptionButton() {
         relief = ReliefStyle.NONE;
         use_popover = true;
         image = new Image.from_icon_name("changes-allow-symbolic", IconSize.BUTTON);
@@ -72,6 +75,9 @@ public class EncryptionButton : MenuButton {
         this.conversation = conversation;
         update_encryption_menu_state();
         update_encryption_menu_icon();
+
+        visible = !stream_interactor.get_module(MucManager.IDENTITY).is_public_room(conversation.account, conversation.counterpart) ||
+                conversation.encryption != Encryption.NONE;
     }
 }
 
diff --git a/main/src/ui/chat_input/view.vala b/main/src/ui/chat_input/view.vala
index ddf1b3c0..cefe3fb1 100644
--- a/main/src/ui/chat_input/view.vala
+++ b/main/src/ui/chat_input/view.vala
@@ -30,7 +30,7 @@ public class View : Box {
     [GtkChild] private Box outer_box;
     [GtkChild] private Button file_button;
     [GtkChild] private Separator file_separator;
-    private EncryptionButton encryption_widget = new EncryptionButton() { margin_top=3, valign=Align.START, visible=true };
+    private EncryptionButton encryption_widget;
 
     public View init(StreamInteractor stream_interactor) {
         this.stream_interactor = stream_interactor;
@@ -38,6 +38,7 @@ public class View : Box {
         occupants_tab_completor = new OccupantsTabCompletor(stream_interactor, text_input);
         smiley_converter = new SmileyConverter(stream_interactor, text_input);
         edit_history = new EditHistory(text_input, GLib.Application.get_default());
+        encryption_widget = new EncryptionButton(stream_interactor) { margin_top=3, valign=Align.START, visible=true };
 
         file_button.clicked.connect(() => {
             PreviewFileChooserNative chooser = new PreviewFileChooserNative("Select file", get_toplevel() as Gtk.Window, FileChooserAction.OPEN, "Select", "Cancel");