diff --git a/app/assets/stylesheets/framework/dropdowns.scss b/app/assets/stylesheets/framework/dropdowns.scss
index facfb7f99204c4ca22cecb3a8bf8d64d862a5ad6..ff31e7f7b3dcca45b13d893da1875bc98f8fae00 100644
--- a/app/assets/stylesheets/framework/dropdowns.scss
+++ b/app/assets/stylesheets/framework/dropdowns.scss
@@ -125,7 +125,6 @@
   top: 100%;
   left: 0;
   z-index: 9;
-  max-width: 280px;
   min-width: 240px;
   margin-top: 2px;
   margin-bottom: 0;
@@ -137,6 +136,10 @@
   border-radius: $border-radius-base;
   box-shadow: 0 2px 4px $dropdown-shadow-color;
 
+  .filtered-search-input-container & {
+    max-width: 280px;
+  }
+
   &.is-loading {
     .dropdown-content {
       display: none;
diff --git a/changelogs/unreleased/27726-fix-dropdown-width-in-admin-project-page.yml b/changelogs/unreleased/27726-fix-dropdown-width-in-admin-project-page.yml
new file mode 100644
index 0000000000000000000000000000000000000000..6c98b46d8cb86a23ab4310c89dcf91e4168e7181
--- /dev/null
+++ b/changelogs/unreleased/27726-fix-dropdown-width-in-admin-project-page.yml
@@ -0,0 +1,4 @@
+---
+title: Fixes dropdown width in admin project page
+merge_request: 9002
+author: