diff --git a/packages/app-builder-lib/src/targets/LinuxTargetHelper.ts b/packages/app-builder-lib/src/targets/LinuxTargetHelper.ts
index 92f87a62281..ec86b67d1fb 100644
--- a/packages/app-builder-lib/src/targets/LinuxTargetHelper.ts
+++ b/packages/app-builder-lib/src/targets/LinuxTargetHelper.ts
@@ -36,7 +36,7 @@ export class LinuxTargetHelper {
   <glob pattern="*.${fileAssociation.ext}"/>
     ${fileAssociation.description ? `<comment>${fileAssociation.description}</comment>` : ""}
   <icon name="x-office-document" />
-  </mime-type>`
+</mime-type>`
       items.push(data)
     }
 
diff --git a/packages/app-builder-lib/src/targets/fpm.ts b/packages/app-builder-lib/src/targets/fpm.ts
index c120e8f1d47..2766924264b 100644
--- a/packages/app-builder-lib/src/targets/fpm.ts
+++ b/packages/app-builder-lib/src/targets/fpm.ts
@@ -212,6 +212,7 @@ export default class FpmTarget extends Target {
         DYLD_LIBRARY_PATH: computeEnv(process.env.DYLD_LIBRARY_PATH, [path.join(linuxToolsPath, "lib")]),
       })
     }
+
     await executeAppBuilder(["fpm", "--configuration", JSON.stringify(fpmConfiguration)], undefined, {env})
 
     await packager.dispatchArtifactCreated(artifactPath, this, arch)
diff --git a/test/out/linux/__snapshots__/debTest.js.snap b/test/out/linux/__snapshots__/debTest.js.snap
index d905b590a54..cd66aa3380f 100644
--- a/test/out/linux/__snapshots__/debTest.js.snap
+++ b/test/out/linux/__snapshots__/debTest.js.snap
@@ -415,6 +415,17 @@ Object {
 
 exports[`deb file associations 4`] = `"Test Application (test quite “ #378)"`;
 
+exports[`deb file associations 5`] = `
+"<?xml version=\\"1.0\\" encoding=\\"utf-8\\"?>
+<mime-info xmlns=\\"http://www.freedesktop.org/standards/shared-mime-info\\">
+<mime-type type=\\"application/x-example\\">
+  <glob pattern=\\"*.my-app\\"/>
+    
+  <icon name=\\"x-office-document\\" />
+</mime-type>
+</mime-info>"
+`;
+
 exports[`no quotes for safe exec name 1`] = `
 "[Desktop Entry]
 Name=foo
diff --git a/test/src/helpers/packTester.ts b/test/src/helpers/packTester.ts
index 3329b8a901e..45f4519f4c4 100644
--- a/test/src/helpers/packTester.ts
+++ b/test/src/helpers/packTester.ts
@@ -274,6 +274,7 @@ async function checkLinuxResult(outDir: string, packager: Packager, arch: Arch,
   const control = parseDebControl(await execShell(`ar p '${packageFile}' control.tar.gz | ${await getTarExecutable()} zx --to-stdout ./control`, {
     maxBuffer: 10 * 1024 * 1024,
   }))
+
   delete control.Version
   delete control.Size
   const description = control.Description
@@ -397,9 +398,9 @@ async function checkWindowsResult(packager: Packager, checkOptions: AssertPackOp
   }
 }
 
-const execShell: any = BluebirdPromise.promisify(require("child_process").exec)
+export const execShell: any = BluebirdPromise.promisify(require("child_process").exec)
 
-async function getTarExecutable() {
+export async function getTarExecutable() {
   return process.platform === "darwin" ? path.join(await getLinuxToolsPath(), "bin", "gtar") : "tar"
 }
 
diff --git a/test/src/linux/debTest.ts b/test/src/linux/debTest.ts
index 3fb3348a6e9..1bc466e9b5a 100644
--- a/test/src/linux/debTest.ts
+++ b/test/src/linux/debTest.ts
@@ -1,6 +1,6 @@
 import { Arch, Platform } from "electron-builder"
 import { promises as fs } from "fs"
-import { app } from "../helpers/packTester"
+import { app, execShell, getTarExecutable } from "../helpers/packTester"
 
 test.ifNotWindows("deb", app({
   targets: Platform.LINUX.createTarget("deb"),
@@ -46,4 +46,11 @@ test.ifNotWindows.ifNotCiMac.ifAll("deb file associations", app({
       }
     ],
   },
+}, {
+  packed: async context => {
+    const mime = await execShell(`ar p '${context.outDir}/TestApp_1.1.0_amd64.deb' data.tar.xz | ${await getTarExecutable()} Jx --to-stdout ./usr/share/mime/packages/testapp.xml`, {
+      maxBuffer: 10 * 1024 * 1024,
+    })
+    expect(mime.trim()).toMatchSnapshot()
+  }
 }))
\ No newline at end of file