diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 975102a020d96e9d95bc5f747da348fa1fdc5ebd..cc44c7b975aaee2e15a1b33ea7574041e90600b9 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -532,16 +532,22 @@ void do_syscall_trace_enter(struct pt_regs *regs)
 	    && (current->ptrace & PT_PTRACED))
 		do_syscall_trace();
 
-	if (unlikely(current->audit_context))
-		audit_syscall_entry(
-#ifdef CONFIG_PPC32
-				    AUDIT_ARCH_PPC,
-#else
-				    test_thread_flag(TIF_32BIT)?AUDIT_ARCH_PPC:AUDIT_ARCH_PPC64,
+	if (unlikely(current->audit_context)) {
+#ifdef CONFIG_PPC64
+		if (!test_thread_flag(TIF_32BIT))
+			audit_syscall_entry(AUDIT_ARCH_PPC64,
+					    regs->gpr[0],
+					    regs->gpr[3], regs->gpr[4],
+					    regs->gpr[5], regs->gpr[6]);
+		else
 #endif
-				    regs->gpr[0],
-				    regs->gpr[3], regs->gpr[4],
-				    regs->gpr[5], regs->gpr[6]);
+			audit_syscall_entry(AUDIT_ARCH_PPC,
+					    regs->gpr[0],
+					    regs->gpr[3] & 0xffffffff,
+					    regs->gpr[4] & 0xffffffff,
+					    regs->gpr[5] & 0xffffffff,
+					    regs->gpr[6] & 0xffffffff);
+	}
 }
 
 void do_syscall_trace_leave(struct pt_regs *regs)