diff --git a/mkdumprd b/mkdumprd
index e5c6e06..6977d14 100644
--- a/mkdumprd
+++ b/mkdumprd
@@ -240,7 +240,7 @@ check_user_configured_target()
 # $1: core_collector config value
 verify_core_collector() {
     local _cmd="${1%% *}"
-    local _params="${1#* }"
+    local _params="${1#${_cmd}}"
 
     if [ "$_cmd" != "makedumpfile" ]; then
         if is_raw_dump_target; then