diff --git a/src/main/kotlin/net/robinfriedli/exec/Invoker.kt b/src/main/kotlin/net/robinfriedli/exec/Invoker.kt
index 3908f03..8982681 100644
--- a/src/main/kotlin/net/robinfriedli/exec/Invoker.kt
+++ b/src/main/kotlin/net/robinfriedli/exec/Invoker.kt
@@ -28,6 +28,7 @@ interface Invoker {
     @Throws(Exception::class)
     fun <T> invoke(mode: Mode, task: Callable<T>): T
 
+    @Throws(Exception::class)
     fun <T> invoke(task: Callable<T>): T {
         return invoke(Mode.empty, task)
     }