diff --git a/features/post.feature b/features/post.feature
index c3f72a52..078d212e 100644
--- a/features/post.feature
+++ b/features/post.feature
@@ -395,6 +395,25 @@ Feature: Manage WordPress posts
       post-2
       """
 
+  Scenario: Creating/updating posts with taxonomies
+    When I run `wp term create category "First Category" --porcelain`
+    And save STDOUT as {CAT_1}
+    And I run `wp term create category "Second Category" --porcelain`
+    And save STDOUT as {CAT_2}
+    And I run `wp term create post_tag "Term One" --porcelain`
+    And I run `wp term create post_tag "Term Two" --porcelain`
+    When I run `wp post create --post_title='Test Post' --post_content='Test post content' --tax_input='{"category":[{CAT_1},{CAT_2}],"post_tag":["term-one", "term-two"]}' --porcelain`
+    Then STDOUT should be a number
+    And save STDOUT as {POST_ID}
+
+    When I run `wp post term list {POST_ID} category post_tag --format=table --fields=name,taxonomy`
+    Then STDOUT should be a table containing rows:
+      | name            | taxonomy |
+      | First Category  | category |
+      | Second Category | category |
+      | Term One        | post_tag |
+      | Term Two        | post_tag |
+
   Scenario: Update categories on a post
     When I run `wp term create category "Test Category" --porcelain`
     Then save STDOUT as {TERM_ID}
diff --git a/src/Post_Command.php b/src/Post_Command.php
index a4a5ba42..9a3f8748 100644
--- a/src/Post_Command.php
+++ b/src/Post_Command.php
@@ -186,7 +186,7 @@ public function create( $args, $assoc_args ) {
 			WP_CLI::warning( "The 'meta_input' field was only introduced in WordPress 4.4 so will have no effect." );
 		}
 
-		$array_arguments = [ 'meta_input' ];
+		$array_arguments = [ 'meta_input', 'tax_input' ];
 		$assoc_args      = Utils\parse_shell_arrays( $assoc_args, $array_arguments );
 
 		if ( isset( $assoc_args['from-post'] ) ) {