diff --git a/ui/src/components/popovers/PasteModal.tsx b/ui/src/components/popovers/PasteModal.tsx
index 9e3d9ee..543af00 100644
--- a/ui/src/components/popovers/PasteModal.tsx
+++ b/ui/src/components/popovers/PasteModal.tsx
@@ -48,34 +48,44 @@ export default function PasteModal() {
 
     try {
       for (const char of text) {
-        const { key, shift, altRight, space, capsLock } = chars[keyboardLayout][char] ?? {};
+        const { key, shift, altRight, space, capsLock, trema } = chars[keyboardLayout][char] ?? {};
         if (!key) continue;
 
-	const keyz = [keys[key]];
+	const keyz = [ keys[key] ];
+	const modz = [ shift ? modifiers["ShiftLeft"] : 0
+                       | (altRight ? modifiers["AltRight"] : 0) ];
+
 	if (space) {
             keyz.push(keys["Space"]);
+	    modz.push(0);
 	}
 	if (capsLock) {
             keyz.unshift(keys["CapsLock"]);
+	    modz.unshift(0);
+
 	    keyz.push(keys["CapsLock"]);
+            modz.push(0);
+	}
+	if (trema) {
+            keyz.unshift(keys["BracketRight"]); // trema ¨
+	    modz.unshift(0)
 	}
 
-	const modz = shift ? modifiers["ShiftLeft"] : 0
-                   | (altRight ? modifiers["AltRight"] : 0);
-
-        await new Promise<void>((resolve, reject) => {
-          send(
-            "keyboardReport",
-            hidKeyboardPayload(keyz, modz),
-            params => {
-              if ("error" in params) return reject(params.error);
-              send("keyboardReport", hidKeyboardPayload([], 0), params => {
+	for (const [index, keyy] of keyz.entries()) {
+          await new Promise<void>((resolve, reject) => {
+            send(
+              "keyboardReport",
+              hidKeyboardPayload([keyy], modz[index]),
+              params => {
                 if ("error" in params) return reject(params.error);
-                resolve();
-              });
-            },
-          );
-        });
+                send("keyboardReport", hidKeyboardPayload([], 0), params => {
+                  if ("error" in params) return reject(params.error);
+                  resolve();
+                });
+              },
+            );
+          });
+	}
       }
     } catch (error) {
       console.error(error);
diff --git a/ui/src/keyboardLayouts.ts b/ui/src/keyboardLayouts.ts
index 15c3be4..a995e3d 100644
--- a/ui/src/keyboardLayouts.ts
+++ b/ui/src/keyboardLayouts.ts
@@ -9,4 +9,4 @@ export const layouts = {
 export const chars = {
   "en_US": chars_en_US,
   "de_CH": chars_de_CH,
-} as Record<string, Record<string, { key: string | number; shift?: boolean, altRight?: boolean, space?: boolean, capsLock?: boolean }>>;
+} as Record<string, Record<string, { key: string | number; shift?: boolean, altRight?: boolean, space?: boolean, capsLock?: boolean, trema?: boolean }>>;
diff --git a/ui/src/keyboardLayouts/de_CH.ts b/ui/src/keyboardLayouts/de_CH.ts
index 405feb8..893ebe4 100644
--- a/ui/src/keyboardLayouts/de_CH.ts
+++ b/ui/src/keyboardLayouts/de_CH.ts
@@ -1,5 +1,6 @@
 export const chars = {
   A: { key: "KeyA", shift: true },
+  "Ä": { key: "KeyA", shift: true, trema: true },
   B: { key: "KeyB", shift: true },
   C: { key: "KeyC", shift: true },
   D: { key: "KeyD", shift: true },
@@ -14,12 +15,14 @@ export const chars = {
   M: { key: "KeyM", shift: true },
   N: { key: "KeyN", shift: true },
   O: { key: "KeyO", shift: true },
+  "Ö": { key: "KeyO", shift: true, trema: true },
   P: { key: "KeyP", shift: true },
   Q: { key: "KeyQ", shift: true },
   R: { key: "KeyR", shift: true },
   S: { key: "KeyS", shift: true },
   T: { key: "KeyT", shift: true },
   U: { key: "KeyU", shift: true },
+  "Ü": { key: "KeyU", shift: true, trema: true }, 
   V: { key: "KeyV", shift: true },
   W: { key: "KeyW", shift: true },
   X: { key: "KeyX", shift: true },
@@ -108,16 +111,13 @@ export const chars = {
   "ü": { key: "BracketLeft" },
   "è": { key: "BracketLeft", shift: true },
   "[": { key: "BracketLeft", altRight: true },
-  "Ü": { key: "BracketLeft", capsLock: true }, 
   "!": { key: "BracketRight", shift: true },
   "]": { key: "BracketRight", altRight: true },
   "ö": { key: "Semicolon" },
   "é": { key: "Semicolon", shift: true },
-  "Ö": { key: "Semicolon", capsLock: true },
   "ä": { key: "Quote" },
   "à": { key: "Quote", shift: true },
   "{": { key: "Quote", altRight: true },
-  "Ä": { key: "Quote", capsLock: true },
   "$": { key: "Backslash" },
   "£": { key: "Backslash", shift: true },
   "}": { key: "Backslash", altRight: true },
@@ -137,4 +137,4 @@ export const chars = {
   "\n": { key: "Enter" },
   Enter: { key: "Enter" },
   Tab: { key: "Tab" },
-} as Record<string, { key: string | number; shift?: boolean, altRight?: boolean, space?: boolean, capsLock?: boolean }>
+} as Record<string, { key: string | number; shift?: boolean, altRight?: boolean, space?: boolean, capsLock?: boolean, trema?: boolean }>