-%define release %{kernel_version}.%{taglevel}%{?pldistro:.%{pldistro}}%{?date:.%{date}}
-# use any of these two if found
+# we need to make sure that this rpm gets upgraded when the kernel release changes
+%define pl_kernel_taglevel %( echo %{kernel_release} | cut -d. -f1 )
+
+%define release %{kernel_version}.%{pl_kernel_taglevel}.%{taglevel}%{?pldistro:.%{pldistro}}%{?date:.%{date}}
+
+# guess which convention is used; k27 and before used dash, k32 uses dot