diff --git a/src/wp-admin/js/inline-edit-post.js b/src/wp-admin/js/inline-edit-post.js
index 2011e7ba36..69e4d3b8b4 100644
--- a/src/wp-admin/js/inline-edit-post.js
+++ b/src/wp-admin/js/inline-edit-post.js
@@ -284,6 +284,7 @@ inlineEditPost = {
 				}
 			},
 		'html');
+		// Prevent submitting the form when pressing Enter on a focused field.
 		return false;
 	},
 
diff --git a/src/wp-admin/js/inline-edit-tax.js b/src/wp-admin/js/inline-edit-tax.js
index a05dc0954f..b1090de44b 100644
--- a/src/wp-admin/js/inline-edit-tax.js
+++ b/src/wp-admin/js/inline-edit-tax.js
@@ -137,6 +137,8 @@ inlineEditTax = {
 				}
 			}
 		);
+		// Prevent submitting the form when pressing Enter on a focused field.
+		return false;
 	},
 
 	revert : function() {