1 files changed, 1 insertions, 1 deletions
diff --git a/trap.c b/trap.c
index c00a830..41b8c8f 100644
--- a/trap.c
+++ b/trap.c
@@ -37,7 +37,7 @@ trap(struct Trapframe *tf)
 
   if(v == T_SYSCALL){
     struct proc *cp = curproc[cpu()];
-    int num = cp->tf->regs.eax;
+    int num = cp->tf->eax;
     if(cp == 0)
       panic("syscall with no proc");
     if(cp->killed)