diff --git a/app/src/main/res/layout/fragment_course_detail.xml b/app/src/main/res/layout/fragment_course_detail.xml
index 4597225a06..c056f64eb8 100644
--- a/app/src/main/res/layout/fragment_course_detail.xml
+++ b/app/src/main/res/layout/fragment_course_detail.xml
@@ -30,12 +30,13 @@
android:layout_height="wrap_content"
android:text="@string/open_resource"
android:theme="@style/AccentButton" />
+
+ android:theme="@style/AppThemeButton"/>
@color/colorPrimary
+
+