diff --git a/.idea/dictionaries/develar.xml b/.idea/dictionaries/develar.xml
index 771434ce53d..bfaf269b66d 100644
--- a/.idea/dictionaries/develar.xml
+++ b/.idea/dictionaries/develar.xml
@@ -4,6 +4,7 @@
       <w>actperepo</w>
       <w>addincludedir</w>
       <w>addons</w>
+      <w>addplugindir</w>
       <w>adminrequired</w>
       <w>allusersnotpossible</w>
       <w>amazonaws</w>
diff --git a/packages/electron-builder/src/builder.ts b/packages/electron-builder/src/builder.ts
index 8937cc108c5..090b2a27197 100644
--- a/packages/electron-builder/src/builder.ts
+++ b/packages/electron-builder/src/builder.ts
@@ -159,6 +159,9 @@ export function normalizeOptions(args: CliOptions): BuildOptions {
   delete result.x64
   delete result.armv7l
 
+  if (result.project != null && result.projectDir == null) {
+    result.projectDir = result.project
+  }
   delete result.project
   return result
 }
diff --git a/test/out/__snapshots__/BuildTest.js.snap b/test/out/__snapshots__/BuildTest.js.snap
index 6a8229dd7e5..3ce16f185c3 100644
--- a/test/out/__snapshots__/BuildTest.js.snap
+++ b/test/out/__snapshots__/BuildTest.js.snap
@@ -1,9 +1,11 @@
 exports[`test cli 1`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {
@@ -19,10 +21,12 @@ Object {
 
 exports[`test cli 2`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {
@@ -40,10 +44,12 @@ Object {
 
 exports[`test cli 3`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {
@@ -61,10 +67,12 @@ Object {
 
 exports[`test cli 4`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {
@@ -80,10 +88,12 @@ Object {
 
 exports[`test cli 5`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {
@@ -99,10 +109,12 @@ Object {
 
 exports[`test cli 6`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {
@@ -132,10 +144,12 @@ Object {
 
 exports[`test cli 7`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {
@@ -153,10 +167,12 @@ Object {
 
 exports[`test cli 8`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {
@@ -174,10 +190,12 @@ Object {
 
 exports[`test cli 9`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {
@@ -195,10 +213,12 @@ Object {
 
 exports[`test cli 10`] = `
 Object {
+  "config": undefined,
   "draft": undefined,
   "extraMetadata": undefined,
   "prepackaged": undefined,
   "prerelease": undefined,
+  "projectDir": undefined,
   "publish": undefined,
   "targets": Map {
     Platform {