diff --git a/src/p_lx_elf.cpp b/src/p_lx_elf.cpp
index cc1a99dd..c353a265 100644
--- a/src/p_lx_elf.cpp
+++ b/src/p_lx_elf.cpp
@@ -4717,7 +4717,7 @@ PackLinuxElf32::check_pt_dynamic(Elf32_Phdr const *const phdr)
     unsigned vaddr = get_te32(&phdr->p_vaddr);
     unsigned filesz = get_te32(&phdr->p_filesz), memsz = get_te32(&phdr->p_memsz);
     unsigned align = get_te32(&phdr->p_align);
-    if (s < t || file_size < (u32_t)s
+    if (s < t || (u32_t)file_size < s
     ||  (3 & t) || (7 & (filesz | memsz))  // .balign 4; 8==sizeof(Elf32_Dyn)
     ||  (-1+ align) & (t ^ vaddr)
     ||  filesz < sizeof(Elf32_Dyn)