diff --git a/linux-firmware.spec b/linux-firmware.spec
index b643689..f7ab379 100644
--- a/linux-firmware.spec
+++ b/linux-firmware.spec
@@ -32,7 +32,7 @@
 
 Name:          linux-firmware
 Version:       20150206.17657c3
-Release:       1mamba
+Release:       2mamba
 Summary:       Collection of firmware files used by the Linux Kernel
 Group:         System/Kernel and Hardware
 Vendor:        openmamba
@@ -81,6 +81,11 @@ Collection of extra firmware files that are not used by the Linux Kernel modules
 %prep
 %setup -q
 
+[ -e /lib/modules/%{KERNEL_VER}%{KERNEL_TARGET}/modules.order ] || {
+   echo "ERROR: missing a file that indicates that kernel version here is wrong; aborting."
+   exit 1
+}
+
 %build
 
 %install
@@ -186,6 +191,9 @@ done
 /lib/firmware/LICENCE.xc4000
 
 %changelog
+* Sat Mar 07 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 20150206.17657c3-2mamba
+- rebuilt to fix running vs installed kernel mismatch problem  (add check)
+
 * Mon Feb 09 2015 Automatic Build System <autodist@mambasoft.it> 20150206.17657c3-1mamba
 - automatic version update by autodist