diff --git a/packages/plugin-ext/src/plugin/type-converters.ts b/packages/plugin-ext/src/plugin/type-converters.ts
index 33c900c94c2e3..222ad09f5920c 100644
--- a/packages/plugin-ext/src/plugin/type-converters.ts
+++ b/packages/plugin-ext/src/plugin/type-converters.ts
@@ -705,6 +705,7 @@ export function fromTask(task: theia.Task): TaskDto | undefined {
     const taskDto = {} as TaskDto;
     taskDto.label = task.name;
     taskDto.source = task.source;
+    taskDto.problemMatcher = task.problemMatchers;
     if ('detail' in task) {
         taskDto.detail = (task as theia.Task2).detail;
     }