diff --git a/src/p_vmlinx.cpp b/src/p_vmlinx.cpp
index cc57fc4f..a78959e1 100644
--- a/src/p_vmlinx.cpp
+++ b/src/p_vmlinx.cpp
@@ -180,7 +180,7 @@ bool PackVmlinuxBase<T>::canPack()
         int j;
         for (p = shdri, j= ehdri.e_shnum; --j>=0; ++p) {
             if (Shdr::SHT_PROGBITS==p->sh_type
-            && (p->sh_name  + shstrsec->sh_offset) < (unsigned)file_size
+            && p->sh_name < shstrsec->sh_size
             && 0==strcmp("__ksymtab", p->sh_name + shstrtab)) {
                 break;
             }