diff --git a/sys/src/cmd/6l/asm.c b/sys/src/cmd/6l/asm.c
index 38dd08bcb..dbe1af3e6 100644
--- a/sys/src/cmd/6l/asm.c
+++ b/sys/src/cmd/6l/asm.c
@@ -109,12 +109,12 @@ asmbelf(long textfoff, vlong datafoff, vlong datva)
 	ph = newElfPhdr();
 	ph->type   = PT_LOAD;
 	ph->flags  = PF_R | PF_X;
-	ph->off    = 0;                        /* cover ELF header from offset 0 */
-	ph->vaddr  = INITTEXT - textfoff;      /* 0x200C00 - 0xC00 = 0x200000   */
-	ph->paddr  = INITTEXT - textfoff;
-	ph->filesz = textfoff + textsize;      /* header area + text             */
-	ph->memsz  = textfoff + textsize;
-	ph->align  = 0x1000;
+	ph->off    = textfoff;    /* HEADR=0xC00; Plan9 convention: off=HEADR not 0 */
+	ph->vaddr  = INITTEXT;    /* 0x200C00; alignment ok: 0xC00 ≡ 0x200C00 (mod 0x200000) */
+	ph->paddr  = INITTEXT;
+	ph->filesz = textsize;
+	ph->memsz  = textsize;
+	ph->align  = INITRND;     /* 0x200000 */
 
 	ph = newElfPhdr();
 	ph->type   = PT_LOAD;