diff --git a/ptrace.h b/ptrace.h
index ddb46cb..48a54b8 100644
--- a/ptrace.h
+++ b/ptrace.h
@@ -55,7 +55,14 @@ extern long ptrace(int, int, char *, long);
 # define ptrace_peeksiginfo_args XXX_ptrace_peeksiginfo_args
 #endif
 
+#if POWERPC
+#include <linux/types.h>
+#define __ASSEMBLY__
+#endif
 #include <linux/ptrace.h>
+#if POWERPC
+#undef __ASSEMBLY__
+#endif
 
 #ifdef HAVE_STRUCT_IA64_FPREG
 # undef ia64_fpreg