diff --git a/kdump-lib.sh b/kdump-lib.sh
index 4feb7d0..f393c76 100755
--- a/kdump-lib.sh
+++ b/kdump-lib.sh
@@ -667,7 +667,7 @@ check_boot_dir()
         kdump_bootdir="/boot"
     else
         eval $(cat /proc/cmdline| grep "BOOT_IMAGE" | cut -d' ' -f1)
-        kdump_bootdir="/boot"$(dirname $BOOT_IMAGE)
+        kdump_bootdir="/boot"$(dirname ${BOOT_IMAGE#*)})
     fi
     echo $kdump_bootdir
 }