diff --git a/ptrace.nimble b/ptrace.nimble
index f23e2ed..a6c10e4 100644
--- a/ptrace.nimble
+++ b/ptrace.nimble
@@ -1,9 +1,11 @@
 [Package]
 name          = "ptrace"
-version       = "0.0.1"
+version       = "0.0.2"
 author        = "Huy Doan"
 description   = "ptrace wrapper for Nim"
 license       = "MIT"
 
+skipDirs      = "tests"
+
 [Deps]
 Requires: "nim >= 0.10.0"
diff --git a/ptrace/ptrace.nim b/ptrace/ptrace.nim
index 51f080e..e17d05c 100644
--- a/ptrace/ptrace.nim
+++ b/ptrace/ptrace.nim
@@ -1,8 +1,8 @@
 import posix
 
 {.pragma: c,
-  importc,
-  header: "sys/ptrace.h"
+ importc,
+ header: "sys/ptrace.h"
 .}
 
 type
@@ -11,21 +11,22 @@ type
     r14*: culong
     r13*: culong
     r12*: culong
-    bp*: culong
-    bx*: culong
+    rbp*: culong
+    rbx*: culong
     r11*: culong
     r10*: culong
     r9*: culong
     r8*: culong
-    ax*: culong
-    xc*: culong
-    dx*: culong
-    si*: culong
-    di*: culong
-    orig_ax*: culong
-    ip*: culong
-    flags*: culong
-    sp*: culong
+    rax*: culong
+    rcx*: culong
+    rdx*: culong
+    rsi*: culong
+    rdi*: culong
+    orig_rax*: culong
+    rip*: culong
+    cs*: culong
+    eflags*: culong
+    rsp*: culong
     ss*: culong
     fs_base*: culong
     gs_base*: culong
@@ -62,6 +63,8 @@ var
   PTRACE_INTERRUPT* {.c.}: cint
   PTRACE_LISTEN* {.c.}: cint
 
+
+
 const
   PTRACE_EVENT_FORK* = 1
   PTRACE_EVENT_VFORK* = 2
@@ -171,7 +174,7 @@ when isMainModule:
     discard wait(a)
 
     var regs = getRegs(child)
-    echo "orig_ax: ", regs.orig_ax
+    echo "orig_rax: ", regs.orig_rax
     if errno != 0:
       echo errno, " ", strerror(errno)
 
diff --git a/tests/test1.nim b/tests/test1.nim
index 69e2aef..9b37b64 100644
--- a/tests/test1.nim
+++ b/tests/test1.nim
@@ -7,7 +7,8 @@ var child: Pid
 var orig_eax, eax: clong
 var params: array[3, clong]
 var status: cint
-var insyscall = 0;
+var insyscall = 0
+
 
 child = fork()
 
@@ -27,6 +28,10 @@ else:
         params[1] = ptrace(PTRACE_PEEKUSER, child, RCX, nil)
         params[2] = ptrace(PTRACE_PEEKUSER, child, RDX, nil)
         echo "Write called with ", params[0], ", ", params[1], ", ", params[2]
+
+        let regs: Registers = getRegs(child)
+        echo regs.rbx, " ", regs.rcx, " ", regs.rdx
+
       else:
         eax = ptrace(PTRACE_PEEKUSER, child, RAX, nil)
         echo "Write returned with ", eax