diff --git a/src/ld_so/dso.rs b/src/ld_so/dso.rs
index b1639de7ab..ad242104a7 100644
--- a/src/ld_so/dso.rs
+++ b/src/ld_so/dso.rs
@@ -604,7 +604,8 @@ impl DSO {
                     tcb_master = Some(Master {
                         ptr,
                         len: ph.p_filesz(endian) as usize,
-                        offset: tls_offset + vsize,
+                        //TODO: TLS is aligned manually to 16 bytes for SSE instruction safety
+                        offset: tls_offset + vsize.next_multiple_of(16),
                     });
                     trace!("  tcb master {:x?}", tcb_master);
                 }