diff --git a/theme/boost/scss/moodle/course.scss b/theme/boost/scss/moodle/course.scss
index 964cac01e4c..249fa732d42 100644
--- a/theme/boost/scss/moodle/course.scss
+++ b/theme/boost/scss/moodle/course.scss
@@ -783,7 +783,10 @@ span.editinstructions {
     font-weight: $font-weight-bold;
 }
 
-.coursebox .content .coursefile,
+.coursebox .content .coursefile {
+    max-width: 100px;
+}
+
 .coursebox .content .courseimage img {
     max-width: 100px;
     max-height: 100px;
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index 352bbf2d4c3..c18f8b35d5c 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -18282,7 +18282,10 @@ span.editinstructions .alert-link {
   font-weight: 700;
 }
 
-.coursebox .content .coursefile,
+.coursebox .content .coursefile {
+  max-width: 100px;
+}
+
 .coursebox .content .courseimage img {
   max-width: 100px;
   max-height: 100px;
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 5529c19292c..783c099d643 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -18282,7 +18282,10 @@ span.editinstructions .alert-link {
   font-weight: 700;
 }
 
-.coursebox .content .coursefile,
+.coursebox .content .coursefile {
+  max-width: 100px;
+}
+
 .coursebox .content .courseimage img {
   max-width: 100px;
   max-height: 100px;