diff --git a/src/p_lx_elf.cpp b/src/p_lx_elf.cpp
index 05ff7b3c..dcc06d0a 100644
--- a/src/p_lx_elf.cpp
+++ b/src/p_lx_elf.cpp
@@ -3136,7 +3136,7 @@ PackLinuxElf64::generateElfHdr(
     set_te64(&h2->phdr[C_TEXT].p_filesz, sizeof(*h2));  // + identsize;
                   h2->phdr[C_TEXT].p_memsz = h2->phdr[C_TEXT].p_filesz;
 
-    for (unsigned j=0; j < 4; ++j) {
+    for (unsigned j=0; j < phnum_o; ++j) {
         if (PT_LOAD64==get_te32(&h3->phdr[j].p_type)) {
             set_te64(&h3->phdr[j].p_align, page_size);
         }