diff --git a/garden-service/src/util/ext-tools.ts b/garden-service/src/util/ext-tools.ts
index afdda62db9..b612ae6885 100644
--- a/garden-service/src/util/ext-tools.ts
+++ b/garden-service/src/util/ext-tools.ts
@@ -142,6 +142,7 @@ export class BinaryCmd extends Cmd {
           reject(new ParameterError(`Invalid archive format: ${format}`, { name: this.name, spec: this.spec }))
         }
 
+        endStream = extractor
         response.data.pipe(extractor)
 
         extractor.on("error", (err) => {