diff --git a/agent/src/os/linux/libproc.h b/agent/src/os/linux/libproc.h
index 782e040a85090d9275c2747a31844422cfb52f21..0ffbec1c97e425cb1b48dbc47952ca0b9516bfd2 100644
--- a/agent/src/os/linux/libproc.h
+++ b/agent/src/os/linux/libproc.h
@@ -69,6 +69,7 @@ combination of ptrace and /proc calls.
 
 
 #if defined(sparc) || defined(sparcv9) || defined(ppc64)
+#include <asm/ptrace.h>
 #define user_regs_struct  pt_regs
 #endif