diff --git a/src/etc/inc/system.inc b/src/etc/inc/system.inc
index 2b640cf83..b93ab056a 100644
--- a/src/etc/inc/system.inc
+++ b/src/etc/inc/system.inc
@@ -981,7 +981,7 @@ function system_trust_configure($verbose = false)
 
     /* collect all the file content and write it to compatibility bundle locations */
     $ca_bundle = [];
-    foreach (glob('/etc/ssl/certs/*.[r0-9]*') as $file) {
+    foreach (glob('/etc/ssl/certs/*.[0-9]') as $file) {
         $ca_bundle[] = file_get_contents($file);
     }
     $ca_bundle = join("\n", $ca_bundle);