diff --git a/src/arch/x86/linux/process.cc b/src/arch/x86/linux/process.cc
index 22fe002..49d3e5a 100644
--- a/src/arch/x86/linux/process.cc
+++ b/src/arch/x86/linux/process.cc
@@ -39,6 +39,8 @@
 
 #include "arch/x86/linux/process.hh"
 
+#include <sys/syscall.h>
+
 #include "arch/x86/isa_traits.hh"
 #include "arch/x86/linux/linux.hh"
 #include "arch/x86/registers.hh"
diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc
index 4a6fafa..3d17b5d 100644
--- a/src/sim/syscall_emul.cc
+++ b/src/sim/syscall_emul.cc
@@ -32,7 +32,7 @@
 #include "sim/syscall_emul.hh"
 
 #include <fcntl.h>
-#include <syscall.h>
+#include <sys/syscall.h>
 #include <unistd.h>
 
 #include <csignal>