diff --git a/src/lib/manipulations/components/Trim.svelte b/src/lib/manipulations/components/Trim.svelte
index cc315c0..a125d1d 100644
--- a/src/lib/manipulations/components/Trim.svelte
+++ b/src/lib/manipulations/components/Trim.svelte
@@ -4,7 +4,7 @@
 
   export interface TrimManipulation extends ManipulationBase {
     type: 'trim';
-    trimType: 'leading' | 'trailing' | 'all';
+    trimType: string;
   }
 
   const options = [
diff --git a/src/lib/manipulations/index.ts b/src/lib/manipulations/index.ts
index acb96e4..6afc546 100644
--- a/src/lib/manipulations/index.ts
+++ b/src/lib/manipulations/index.ts
@@ -146,6 +146,9 @@ function doManipulationInner(input: string, manipulation: TManipulation): string
 					case 'all': {
 						return input.trim();
 					}
+					default: {
+						return input;
+					}
 				}
 			}
 		}