diff --git a/back/tsconfig.json b/back/tsconfig.json
index 03f8c9d8..51858b84 100644
--- a/back/tsconfig.json
+++ b/back/tsconfig.json
@@ -36,8 +36,8 @@
     /* Additional Checks */
     // "noUnusedLocals": true,                /* Report errors on unused locals. */
     // "noUnusedParameters": true,            /* Report errors on unused parameters. */
-    "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
-    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
+    "noImplicitReturns": true,                /* Report error when not all code paths in function return a value. */
+    "noFallthroughCasesInSwitch": true,       /* Report errors for fallthrough cases in switch statement. */
 
     /* Module Resolution Options */
     "moduleResolution": "node",               /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */