diff --git a/packages/app-builder-lib/scheme.json b/packages/app-builder-lib/scheme.json
index a9afab352b..4ebba1ecc0 100644
--- a/packages/app-builder-lib/scheme.json
+++ b/packages/app-builder-lib/scheme.json
@@ -4401,8 +4401,11 @@
           "type": "boolean"
         },
         "unpackDirName": {
-          "description": "The unpack directory name in [TEMP](https://www.askvg.com/where-does-windows-store-temporary-files-and-how-to-change-temp-folder-location/) directory.\n\nDefaults to [uuid](https://github.com/segmentio/ksuid) of build (changed on each build of portable executable).",
-          "type": "string"
+          "description": "The unpack directory for the portable app resources.\nIf set to a string, it will be the name in [TEMP](https://www.askvg.com/where-does-windows-store-temporary-files-and-how-to-change-temp-folder-location/) directory.\nIf set explicitly to `false`, it will use the Windows temp directory ($PLUGINSDIR) that is unique to each launch of the portable application.\nDefaults to [uuid](https://github.com/segmentio/ksuid) of build (changed on each build of portable executable).",
+          "type": [
+            "string",
+            "boolean"
+          ]
         },
         "useZip": {
           "default": false,
diff --git a/packages/app-builder-lib/src/targets/nsis/NsisTarget.ts b/packages/app-builder-lib/src/targets/nsis/NsisTarget.ts
index 9908040e1a..8fcf0c1ebf 100644
--- a/packages/app-builder-lib/src/targets/nsis/NsisTarget.ts
+++ b/packages/app-builder-lib/src/targets/nsis/NsisTarget.ts
@@ -247,12 +247,16 @@ export class NsisTarget extends Target {
 
     this.configureDefinesForAllTypeOfInstaller(defines)
     if (isPortable) {
-      const portableOptions = options as PortableOptions
-      defines.REQUEST_EXECUTION_LEVEL = portableOptions.requestExecutionLevel || "user"
-      defines.UNPACK_DIR_NAME = portableOptions.unpackDirName || (await executeAppBuilder(["ksuid"]))
+      const { unpackDirName, requestExecutionLevel, splashImage } = options as PortableOptions
+      defines.REQUEST_EXECUTION_LEVEL = requestExecutionLevel || "user"
 
-      if (portableOptions.splashImage != null) {
-        defines.SPLASH_IMAGE = path.resolve(packager.projectDir, portableOptions.splashImage)
+      // https://github.com/electron-userland/electron-builder/issues/5764
+      if (typeof unpackDirName === "string" || !unpackDirName) {
+        defines.UNPACK_DIR_NAME = unpackDirName || (await executeAppBuilder(["ksuid"]))
+      }
+
+      if (splashImage != null) {
+        defines.SPLASH_IMAGE = path.resolve(packager.projectDir, splashImage)
       }
     } else {
       await this.configureDefines(oneClick, defines)
diff --git a/packages/app-builder-lib/src/targets/nsis/nsisOptions.ts b/packages/app-builder-lib/src/targets/nsis/nsisOptions.ts
index 6a8de5853b..4aada863fe 100644
--- a/packages/app-builder-lib/src/targets/nsis/nsisOptions.ts
+++ b/packages/app-builder-lib/src/targets/nsis/nsisOptions.ts
@@ -169,11 +169,14 @@ export interface PortableOptions extends TargetSpecificOptions, CommonNsisOption
   readonly requestExecutionLevel?: "user" | "highest" | "admin"
 
   /**
-   * The unpack directory name in [TEMP](https://www.askvg.com/where-does-windows-store-temporary-files-and-how-to-change-temp-folder-location/) directory.
+   * The unpack directory for the portable app resources.
+   *
+   * If set to a string, it will be the name in [TEMP](https://www.askvg.com/where-does-windows-store-temporary-files-and-how-to-change-temp-folder-location/) directory
+   * If set explicitly to `false`, it will use the Windows temp directory ($PLUGINSDIR) that is unique to each launch of the portable application.
    *
    * Defaults to [uuid](https://github.com/segmentio/ksuid) of build (changed on each build of portable executable).
    */
-  readonly unpackDirName?: string
+  readonly unpackDirName?: string | boolean
 
   /**
    * The image to show while the portable executable is extracting. This image must be a bitmap (`.bmp`) image.
diff --git a/packages/app-builder-lib/templates/nsis/portable.nsi b/packages/app-builder-lib/templates/nsis/portable.nsi
index e9085494e8..e5436bb0f8 100644
--- a/packages/app-builder-lib/templates/nsis/portable.nsi
+++ b/packages/app-builder-lib/templates/nsis/portable.nsi
@@ -30,7 +30,11 @@ Section
     HideWindow
   !endif
 
-  StrCpy $INSTDIR "$TEMP\${UNPACK_DIR_NAME}"
+  StrCpy $INSTDIR "$PLUGINSDIR\app"
+  !ifdef UNPACK_DIR_NAME
+    StrCpy $INSTDIR "$TEMP\${UNPACK_DIR_NAME}"
+  !endif
+
   RMDir /r $INSTDIR
   SetOutPath $INSTDIR
 
@@ -82,6 +86,6 @@ Section
 	ExecWait "$INSTDIR\${APP_EXECUTABLE_FILENAME} $R0" $0
   SetErrorLevel $0
 
-  SetOutPath $PLUGINSDIR
+  SetOutPath $EXEDIR
 	RMDir /r $INSTDIR
 SectionEnd
diff --git a/test/src/windows/portableTest.ts b/test/src/windows/portableTest.ts
index ca3ef42397..e3d201df51 100644
--- a/test/src/windows/portableTest.ts
+++ b/test/src/windows/portableTest.ts
@@ -39,6 +39,7 @@ test.ifAll.ifNotCi(
       publish: null,
       portable: {
         useZip: true,
+        unpackDirName: false,
       },
       compression: "store",
     },
@@ -57,6 +58,7 @@ test.ifNotCiMac(
           installerIcon: "foo test space.ico",
         },
         portable: {
+          unpackDirName: true,
           requestExecutionLevel: "admin",
           //tslint:disable-next-line:no-invalid-template-strings
           artifactName: "${productName}Portable.${version}.${ext}",