diff --git a/src/extension.ts b/src/extension.ts
index 109e316..e4e2f28 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -241,7 +241,7 @@ class TestCafeTestController {
         this.lastType = type;
         this.lastName = name;
 
-        var args = [browser, filePath];
+        var args = [browser, vscode.workspace.asRelativePath(filePath)];
 
         var customArguments = vscode.workspace.getConfiguration("testcafeTestRunner").get("customArguments");
         if(typeof(customArguments) === "string") {
@@ -281,4 +281,4 @@ class TestCafeTestController {
     dispose() {
 
     }
-}
\ No newline at end of file
+}