diff --git a/routes/courses.js b/routes/courses.js
index afaa2cd..779e0b0 100644
--- a/routes/courses.js
+++ b/routes/courses.js
@@ -19,9 +19,13 @@ router.get('/categories/:category', catchErrors(async function (req, res, next)
   let courses = []
   let categories = []
   let activeCategory = ''
-  courses = await getCoursesByCategory(req.params.category, req.query.locale, req.query.api)
-  categories = await getCategories()
-  activeCategory = categories.find((category) => category.sys.id === req.params.category)
+  try {
+    categories = await getCategories()
+    activeCategory = categories.find((category) => category.fields.slug === req.params.category)
+    courses = await getCoursesByCategory(activeCategory.sys.id, req.query.locale, req.query.api)    
+  } catch (e) {
+    console.log('Error ', e)
+  }
   res.render('courses', { title: `${activeCategory.fields.title} (${courses.length})`, categories, courses })
 }))
 
diff --git a/views/courses.pug b/views/courses.pug
index 251bceb..2789924 100644
--- a/views/courses.pug
+++ b/views/courses.pug
@@ -14,7 +14,7 @@ block content
               a.sidebar-menu__link.active(href=`/courses`) All courses
             each category in categories
               li.sidebar-menu__item
-                a.sidebar-menu__link(href=`/courses/categories/${category.sys.id}${queryString}`) #{category.fields.title}
+                a.sidebar-menu__link(href=`/courses/categories/${category.fields.slug}${queryString}`) #{category.fields.title}
     section.layout-sidebar__content
       .courses
         h1= title
diff --git a/views/mixins/_courseCard.pug b/views/mixins/_courseCard.pug
index cee3a9a..1cef302 100644
--- a/views/mixins/_courseCard.pug
+++ b/views/mixins/_courseCard.pug
@@ -3,7 +3,7 @@ mixin courseCard(course = {fields: {title: '', description: '', categories: [],
     .course-card__categories
       if(course.fields.categories)
         each category in course.fields.categories
-          a.course-card__category(href=`/courses/categories/${category.sys.id}${queryString}`) #{category.fields.title}
+          a.course-card__category(href=`/courses/categories/${category.fields.slug}${queryString}`) #{category.fields.title}
     h2.course-card__title= course.fields.title
     p.course-card__description= course.fields.shortDescription
     .course-card__link-wrapper
diff --git a/views/mixins/_moduleHighlightedCourse.pug b/views/mixins/_moduleHighlightedCourse.pug
index 0070777..b7e3112 100644
--- a/views/mixins/_moduleHighlightedCourse.pug
+++ b/views/mixins/_moduleHighlightedCourse.pug
@@ -11,7 +11,7 @@ mixin moduleHighlightedCourse(module, course)
         if(course.fields.categories)
           .module-higlighted-course__categories
             each category in course.fields.categories
-              a.module-higlighted-course__category(href=`/courses/categories/${category.sys.id}${queryString}`) #{category.fields.title}
+              a.module-higlighted-course__category(href=`/courses/categories/${category.fields.slug}${queryString}`) #{category.fields.title}
         h2.module-higlighted-course__title= course.fields.title
         .module-higlighted-course__description-wrapper
           p !{helpers.markdown(course.fields.shortDescription)}