diff --git a/app/assets/stylesheets/hovercard.scss b/app/assets/stylesheets/hovercard.scss
index ed518fe5a..c6c114994 100644
--- a/app/assets/stylesheets/hovercard.scss
+++ b/app/assets/stylesheets/hovercard.scss
@@ -1,5 +1,5 @@
 @import "colors";
-@import "_mixins.css.scss";
+@import "_mixins";
 
 #hovercard {
   border-radius: 2px;
diff --git a/app/assets/stylesheets/mentions.scss b/app/assets/stylesheets/mentions.scss
index b8e27b1d1..71a930ff3 100644
--- a/app/assets/stylesheets/mentions.scss
+++ b/app/assets/stylesheets/mentions.scss
@@ -1,5 +1,5 @@
-@import 'colors';
-@import '_mixins.css.scss';
+@import "colors";
+@import "_mixins";
 
 .mentions-input-box {
   border-radius: 3px;
diff --git a/app/assets/stylesheets/mobile/mobile.scss b/app/assets/stylesheets/mobile/mobile.scss
index 193d5d7e0..7680fc949 100644
--- a/app/assets/stylesheets/mobile/mobile.scss
+++ b/app/assets/stylesheets/mobile/mobile.scss
@@ -1,11 +1,11 @@
-@import 'bootstrap';
-@import 'bootstrap-responsive';
+@import "bootstrap";
+@import "bootstrap-responsive";
 @import "colors";
-@import "_mixins.css.scss";
-@import 'vendor/autoSuggest';
-@import '_flash_messages.scss';
+@import "_mixins";
+@import "vendor/autoSuggest";
+@import "_flash_messages";
 
-@import 'header';
+@import "header";
 
 a {
   color: #2489ce;
diff --git a/app/assets/stylesheets/ui.scss b/app/assets/stylesheets/ui.scss
index c445ada85..8ee3c2e7f 100644
--- a/app/assets/stylesheets/ui.scss
+++ b/app/assets/stylesheets/ui.scss
@@ -2,7 +2,7 @@
 //   licensed under the Affero General Public License version 3 or later.  See
 //   the COPYRIGHT file.
 
-@import "_mixins.css.scss";
+@import "_mixins";
 
 $button-border-color: #aaa;