diff --git a/packages/electron-builder/src/linuxPackager.ts b/packages/electron-builder/src/linuxPackager.ts
index 80b9fffa3b5..224f3b0cd94 100755
--- a/packages/electron-builder/src/linuxPackager.ts
+++ b/packages/electron-builder/src/linuxPackager.ts
@@ -1,15 +1,15 @@
+import { Platform, Target } from "electron-builder-core"
+import { rename } from "fs-extra-p"
 import * as path from "path"
+import sanitizeFileName from "sanitize-filename"
+import { LinuxBuildOptions } from "./options/linuxOptions"
+import { BuildInfo } from "./packagerApi"
 import { PlatformPackager } from "./platformPackager"
-import { Platform, Target } from "electron-builder-core"
+import AppImageTarget from "./targets/appImage"
 import FpmTarget from "./targets/fpm"
-import { createCommonTarget, DIR_TARGET } from "./targets/targetFactory"
 import { LinuxTargetHelper } from "./targets/LinuxTargetHelper"
-import AppImageTarget from "./targets/appImage"
-import { rename } from "fs-extra-p"
-import { LinuxBuildOptions } from "./options/linuxOptions"
-import sanitizeFileName from "sanitize-filename"
 import SnapTarget from "./targets/snap"
-import { BuildInfo } from "./packagerApi"
+import { createCommonTarget, DIR_TARGET } from "./targets/targetFactory"
 
 export class LinuxPackager extends PlatformPackager<LinuxBuildOptions> {
   readonly executableName: string
@@ -18,7 +18,7 @@ export class LinuxPackager extends PlatformPackager<LinuxBuildOptions> {
     super(info)
 
     const executableName = this.platformSpecificBuildOptions.executableName
-    this.executableName = sanitizeFileName(executableName == null ? this.appInfo.name : executableName).toLowerCase()
+    this.executableName = sanitizeFileName(executableName == null ? this.appInfo.name.toLowerCase() : executableName)
   }
 
   get defaultTarget(): Array<string> {
diff --git a/test/out/__snapshots__/mainEntryTest.js.snap b/test/out/__snapshots__/mainEntryTest.js.snap
new file mode 100644
index 00000000000..d8bcded748d
--- /dev/null
+++ b/test/out/__snapshots__/mainEntryTest.js.snap
@@ -0,0 +1,7 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`invalid main in the app package.json (custom asar) 1`] = `"Application entry file \\"main.js\\" in the \\"<path>/app.asar\\" does not exist. Seems like a wrong configuration."`;
+
+exports[`invalid main in the app package.json (no asar) 1`] = `"Application entry file \\"main.js\\" does not exist. Seems like a wrong configuration."`;
+
+exports[`invalid main in the app package.json 1`] = `"Application entry file \\"main.js\\" in the \\"<path>/app.asar\\" does not exist. Seems like a wrong configuration."`;
diff --git a/test/out/linux/__snapshots__/debTest.js.snap b/test/out/linux/__snapshots__/debTest.js.snap
new file mode 100644
index 00000000000..12ee759de19
--- /dev/null
+++ b/test/out/linux/__snapshots__/debTest.js.snap
@@ -0,0 +1,25 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`arm deb 1`] = `
+Array [
+  "TestApp_1.1.0_armv7l.deb",
+]
+`;
+
+exports[`custom depends 1`] = `
+"[Desktop Entry]
+Name=Test App ßW
+Comment=Test Application (test quite “ #378)
+Exec=\\"/opt/Test App ßW/Boo\\"
+Terminal=false
+Type=Application
+Icon=Boo
+Categories=Development;
+"
+`;
+
+exports[`deb 1`] = `
+Array [
+  "TestApp_1.1.0_amd64.deb",
+]
+`;
diff --git a/test/out/linux/__snapshots__/fpmTest.js.snap b/test/out/linux/__snapshots__/fpmTest.js.snap
new file mode 100644
index 00000000000..0e5497403f5
--- /dev/null
+++ b/test/out/linux/__snapshots__/fpmTest.js.snap
@@ -0,0 +1,18 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`rpm and tar.gz 1`] = `
+Array [
+  "TestApp-1.1.0.rpm",
+  "TestApp-1.1.0.tar.gz",
+]
+`;
+
+exports[`targets 1`] = `
+Array [
+  "TestApp-1.1.0.7z",
+  "TestApp-1.1.0.freebsd",
+  "TestApp-1.1.0.pacman",
+  "TestApp-1.1.0.sh",
+  "TestApp-1.1.0.zip",
+]
+`;
diff --git a/test/out/linux/__snapshots__/linuxArchiveTest.js.snap b/test/out/linux/__snapshots__/linuxArchiveTest.js.snap
new file mode 100644
index 00000000000..c18a5506aa6
--- /dev/null
+++ b/test/out/linux/__snapshots__/linuxArchiveTest.js.snap
@@ -0,0 +1,9 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`tar 1`] = `
+Array [
+  "TestApp-1.1.0.tar.bz2",
+  "TestApp-1.1.0.tar.lz",
+  "TestApp-1.1.0.tar.xz",
+]
+`;
diff --git a/test/out/linux/__snapshots__/linuxPackagerTest.js.snap b/test/out/linux/__snapshots__/linuxPackagerTest.js.snap
new file mode 100644
index 00000000000..b856da6b77d
--- /dev/null
+++ b/test/out/linux/__snapshots__/linuxPackagerTest.js.snap
@@ -0,0 +1,36 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`AppImage - default icon, custom executable and custom desktop 1`] = `
+"[Desktop Entry]
+Name=Test App ßW
+Comment=Test Application (test quite “ #378)
+Exec=AppRun
+Terminal=true
+Type=Application
+Icon=Foo
+Foo=bar
+Categories=Development;
+"
+`;
+
+exports[`AppImage 1`] = `
+Array [
+  "TestApp-1.1.0-x86_64.AppImage",
+]
+`;
+
+exports[`icons from ICNS 1`] = `
+Array [
+  "TestApp-1.1.0-x86_64.AppImage",
+]
+`;
+
+exports[`no-author-email 1`] = `
+"Please specify author 'email' in the application package.json
+
+See https://docs.npmjs.com/files/package.json#people-fields-author-contributors
+
+It is required to set Linux .deb package maintainer. Or you can set maintainer in the custom linux options.
+(see https://github.com/electron-userland/electron-builder#distributable-format-configuration).
+"
+`;
diff --git a/test/out/linux/__snapshots__/snapTest.js.snap b/test/out/linux/__snapshots__/snapTest.js.snap
new file mode 100644
index 00000000000..dfecd674dcc
--- /dev/null
+++ b/test/out/linux/__snapshots__/snapTest.js.snap
@@ -0,0 +1,7 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`snap 1`] = `
+Array [
+  "sep_1.1.0_amd64.snap",
+]
+`;
diff --git a/test/src/linux/linuxPackagerTest.ts b/test/src/linux/linuxPackagerTest.ts
index 48502084ac3..e3316c91df6 100755
--- a/test/src/linux/linuxPackagerTest.ts
+++ b/test/src/linux/linuxPackagerTest.ts
@@ -20,8 +20,7 @@ test.ifDevOrLinuxCi("AppImage - default icon, custom executable and custom deskt
   },
   effectiveOptionComputed: async (it) => {
     const content = await readFile(it[1], "utf-8")
-    expect(content.includes("Foo=bar")).toBeTruthy()
-    expect(content.includes("Terminal=true")).toBeTruthy()
+    expect(content.split("\n").filter(it => !it.includes("X-AppImage-BuildId") && !it.includes("X-AppImage-Version")).join("\n")).toMatchSnapshot()
     return false
   },
 }, {