diff --git a/packages/electron-builder/src/packager/dirPackager.ts b/packages/electron-builder/src/packager/dirPackager.ts
index 74ee48aa594..1be80bb11dd 100644
--- a/packages/electron-builder/src/packager/dirPackager.ts
+++ b/packages/electron-builder/src/packager/dirPackager.ts
@@ -2,7 +2,7 @@ import { path7za } from "7zip-bin"
 import BluebirdPromise from "bluebird-lst"
 import { debug7zArgs, spawn } from "electron-builder-util"
 import { copyDir } from "electron-builder-util/out/fs"
-import { warn } from "electron-builder-util/out/log"
+import { warn, log } from "electron-builder-util/out/log"
 import { chmod, emptyDir } from "fs-extra-p"
 import * as path from "path"
 import { PlatformPackager } from "../platformPackager"
@@ -55,8 +55,9 @@ async function unpack(packager: PlatformPackager<any>, out: string, platform: st
     await spawn(path7za, debug7zArgs("x").concat(zipPath, `-o${out}`))
   }
   else {
+    log(`Copying Electron from ` + packager.getElectronSrcDir(dist) + ` to ` + packager.getElectronDestDir(out))
     await emptyDir(out)
-    await copyDir(path.resolve(packager.info.projectDir, dist, "Electron.app"), path.join(out, "Electron.app"))
+    await copyDir(packager.getElectronSrcDir(dist), packager.getElectronDestDir(out))
   }
 
   if (platform === "linux") {
diff --git a/packages/electron-builder/src/platformPackager.ts b/packages/electron-builder/src/platformPackager.ts
index 2e46d454533..f568269a637 100644
--- a/packages/electron-builder/src/platformPackager.ts
+++ b/packages/electron-builder/src/platformPackager.ts
@@ -272,6 +272,14 @@ export abstract class PlatformPackager<DC extends PlatformSpecificBuildOptions>
     return deepAssign({}, result)
   }
   
+  public getElectronSrcDir(appSrcDir: string): string {
+    return this.platform === Platform.MAC ? path.join(this.projectDir, appSrcDir, "Electron.app") : path.join(this.projectDir, appSrcDir)
+  }
+
+  public getElectronDestDir(appOutDir: string): string {
+    return this.platform === Platform.MAC ? path.join(appOutDir, "Electron.app") : appOutDir
+  }
+
   public getResourcesDir(appOutDir: string): string {
     return this.platform === Platform.MAC ? this.getMacOsResourcesDir(appOutDir) : path.join(appOutDir, "resources")
   }
diff --git a/test/src/windows/winPackagerTest.ts b/test/src/windows/winPackagerTest.ts
index a8f07886aab..c89be9d0906 100644
--- a/test/src/windows/winPackagerTest.ts
+++ b/test/src/windows/winPackagerTest.ts
@@ -1,4 +1,4 @@
-import { Platform } from "electron-builder"
+import { DIR_TARGET, Platform } from "electron-builder"
 import { rename, unlink, writeFile } from "fs-extra-p"
 import * as path from "path"
 import { CheckingWinPackager } from "../helpers/CheckingPackager"
@@ -69,4 +69,11 @@ describe.ifAll("sign", () => {
       forceCodeSigning: true,
     }
   }))
+
+  test.ifNotCiMac("electronDist", appThrows({
+    targets: Platform.WINDOWS.createTarget(DIR_TARGET),
+    config: {
+      electronDist: "foo",
+    }
+  }))
 })
\ No newline at end of file