diff --git a/src/p_lx_elf.cpp b/src/p_lx_elf.cpp
index f1e50e08..e407f30d 100644
--- a/src/p_lx_elf.cpp
+++ b/src/p_lx_elf.cpp
@@ -910,6 +910,9 @@ void PackLinuxElf32::updateLoader(OutputFile * /*fo*/)
 
 void PackLinuxElf64::updateLoader(OutputFile * /*fo*/)
 {
+    if (xct_off) {
+        return;  // FIXME elfout has no values at all
+    }
     upx_uint64_t const vbase = get_te64(&elfout.phdr[0].p_vaddr);
     unsigned start = linker->getSymbolOffset("_start");