diff --git a/apps/client/src/services/shortcuts.spec.ts b/apps/client/src/services/shortcuts.spec.ts
index ec9a0a581..d22a1e081 100644
--- a/apps/client/src/services/shortcuts.spec.ts
+++ b/apps/client/src/services/shortcuts.spec.ts
@@ -119,11 +119,6 @@ describe("shortcuts", () => {
             metaKey: options.metaKey || false
         } as KeyboardEvent);
 
-        it("should match simple key shortcuts", () => {
-            const event = createKeyboardEvent({ key: "a", code: "KeyA" });
-            expect(matchesShortcut(event, "a")).toBe(true);
-        });
-
         it("should match shortcuts with modifiers", () => {
             const event = createKeyboardEvent({ key: "a", code: "KeyA", ctrlKey: true });
             expect(matchesShortcut(event, "ctrl+a")).toBe(true);
@@ -148,6 +143,11 @@ describe("shortcuts", () => {
             expect(matchesShortcut(event, "a")).toBe(false);
         });
 
+        it("should not match when no modifiers are used", () => {
+            const event = createKeyboardEvent({ key: "a", code: "KeyA" });
+            expect(matchesShortcut(event, "a")).toBe(false);
+        });
+
         it("should handle alternative modifier names", () => {
             const ctrlEvent = createKeyboardEvent({ key: "a", code: "KeyA", ctrlKey: true });
             expect(matchesShortcut(ctrlEvent, "control+a")).toBe(true);
diff --git a/apps/client/src/services/shortcuts.ts b/apps/client/src/services/shortcuts.ts
index a2aca5d80..1ba7919b3 100644
--- a/apps/client/src/services/shortcuts.ts
+++ b/apps/client/src/services/shortcuts.ts
@@ -51,7 +51,7 @@ export function isIMEComposing(e: KeyboardEvent): boolean {
     if (!e) {
         return false;
     }
-    
+
     // Standard check for composition state
     // e.isComposing is true when IME is actively composing
     // e.keyCode === 229 is a fallback for older browsers where 229 indicates IME processing
@@ -86,13 +86,13 @@ function bindElShortcut($el: JQuery<ElementType | Element>, keyboardShortcut: st
                 }
 
                 const e = evt as KeyboardEvent;
-                
+
                 // Skip processing if IME is composing to prevent shortcuts from
                 // interfering with text input in CJK languages
                 if (isIMEComposing(e)) {
                     return;
                 }
-                
+
                 if (matchesShortcut(e, keyboardShortcut)) {
                     e.preventDefault();
                     e.stopPropagation();
@@ -162,6 +162,11 @@ export function matchesShortcut(e: KeyboardEvent, shortcut: string): boolean {
     const expectedShift = modifiers.includes('shift');
     const expectedMeta = modifiers.includes('meta') || modifiers.includes('cmd') || modifiers.includes('command');
 
+    // Refuse key combinations that don't include modifiers because they interfere with the normal usage of the application.
+    if (!(expectedCtrl || expectedAlt || expectedShift || expectedMeta)) {
+        return false;
+    }
+
     return e.ctrlKey === expectedCtrl &&
            e.altKey === expectedAlt &&
            e.shiftKey === expectedShift &&