diff --git a/theme/boost/scss/moodle/core.scss b/theme/boost/scss/moodle/core.scss
index 4a500c57bf22e..d4dfcb7912bf5 100644
--- a/theme/boost/scss/moodle/core.scss
+++ b/theme/boost/scss/moodle/core.scss
@@ -2415,6 +2415,10 @@ $footer-link-color: $bg-inverse-link-color !default;
     }
 }
 
+.dropdown-menu {
+    width: fit-content;
+}
+
 .competency-tree {
     ul {
         padding-left: 1.5rem;
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index d86810e98e603..ba6303b0ef1e7 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -15093,6 +15093,10 @@ h3.sectionname .inplaceeditable.inplaceeditingon .editinstructions {
   font-size: 0.7rem;
 }
 
+.dropdown-menu {
+  width: fit-content;
+}
+
 .competency-tree ul {
   padding-left: 1.5rem;
 }
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 46086ea060a25..3636ca1e611e6 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -15093,6 +15093,10 @@ h3.sectionname .inplaceeditable.inplaceeditingon .editinstructions {
   font-size: 0.7rem;
 }
 
+.dropdown-menu {
+  width: fit-content;
+}
+
 .competency-tree ul {
   padding-left: 1.5rem;
 }