diff --git a/lemur/static/app/angular/certificates/certificate/upload.tpl.html b/lemur/static/app/angular/certificates/certificate/upload.tpl.html
index 26514bf3..c7073c42 100644
--- a/lemur/static/app/angular/certificates/certificate/upload.tpl.html
+++ b/lemur/static/app/angular/certificates/certificate/upload.tpl.html
@@ -60,7 +60,7 @@
 
                 <div class="col-sm-10">
                 <textarea name="privateKey" ng-model="certificate.privateKey" placeholder="PEM encoded string..."
-                          class="form-control" ng-pattern="/^-----BEGIN RSA PRIVATE KEY-----/"></textarea>
+                          class="form-control" ng-pattern="/(^-----BEGIN PRIVATE KEY-----[\S\s]*-----END PRIVATE KEY-----)|(^-----BEGIN RSA PRIVATE KEY-----[\S\s]*-----END RSA PRIVATE KEY-----)/"></textarea>
 
                     <p ng-show="uploadForm.privateKey.$invalid && !uploadForm.privateKey.$pristine" class="help-block">Enter
                         a valid certificate.</p>