diff --git a/index.js b/index.js
index ad5983c..d160f33 100644
--- a/index.js
+++ b/index.js
@@ -115,7 +115,7 @@ export default function typescriptProvider({negotiateProtocol}) {
 						return false;
 					}
 
-					return rewritePaths.some(([from]) => filePath.startsWith(from));
+					return rewritePaths.some(([to, from]) => filePath.startsWith(compile === 'tsc' ? from : to));
 				},
 
 				resolveTestFile(testfile) {
@@ -142,7 +142,7 @@ export default function typescriptProvider({negotiateProtocol}) {
 						],
 						ignoredByWatcherPatterns: [
 							...ignoredByWatcherPatterns,
-							...Object.values(relativeRewritePaths).map(to => `${to}**/*.js.map`),
+							...Object.entries(relativeRewritePaths).map(([to, from]) => `${compile === 'tsc' ? from : to}**`),
 						],
 					};
 				},
diff --git a/test/snapshots/protocol-ava-3.2.js.md b/test/snapshots/protocol-ava-3.2.js.md
index 89878f9..b693d62 100644
--- a/test/snapshots/protocol-ava-3.2.js.md
+++ b/test/snapshots/protocol-ava-3.2.js.md
@@ -110,6 +110,6 @@ Generated by [AVA](https://avajs.dev).
       ],
       ignoredByWatcherPatterns: [
         'assets/**',
-        'build/**/*.js.map',
+        'src/**',
       ],
     }
diff --git a/test/snapshots/protocol-ava-3.2.js.snap b/test/snapshots/protocol-ava-3.2.js.snap
index df5d750..2d4b337 100644
Binary files a/test/snapshots/protocol-ava-3.2.js.snap and b/test/snapshots/protocol-ava-3.2.js.snap differ