diff --git a/src/goOutline.ts b/src/goOutline.ts
index bdeda90..13aaafe 100644
--- a/src/goOutline.ts
+++ b/src/goOutline.ts
@@ -13,7 +13,7 @@
 	getFileArchive,
 	getGoConfig,
 	getToolsEnvVars,
-	killTree,
+	killProcess,
 	makeMemoizedByteOffsetConverter
 } from './util';
 
@@ -88,7 +88,7 @@
 
 		let p: cp.ChildProcess;
 		if (token) {
-			token.onCancellationRequested(() => killTree(p.pid));
+			token.onCancellationRequested(() => killProcess(p));
 		}
 
 		// Spawn `go-outline` process
diff --git a/src/util.ts b/src/util.ts
index a5525ba..4254de7 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -860,6 +860,22 @@
 	});
 };
 
+export function killProcess(p: cp.ChildProcess) {
+	if (p) {
+		try {
+			p.kill();
+		} catch (e) {
+			console.log('Error killing process: ' + e);
+			if (e && e.message && e.stack) {
+				const matches = e.stack.match(/(src.go[a-z,A-Z]+\.js)/g);
+				if (matches) {
+					sendTelemetryEventForKillingProcess(e.message, matches);
+				}
+			}
+		}
+	}
+}
+
 export function makeMemoizedByteOffsetConverter(buffer: Buffer): (byteOffset: number) => number {
 	const defaultValue = new Node<number, number>(0, 0); // 0 bytes will always be 0 characters
 	const memo = new NearestNeighborDict(defaultValue, NearestNeighborDict.NUMERIC_DISTANCE_FUNCTION);