diff --git a/src/arch/x86/linux/process.cc b/src/arch/x86/linux/process.cc
index d464beb911..7993b80f5c 100644
--- a/src/arch/x86/linux/process.cc
+++ b/src/arch/x86/linux/process.cc
@@ -358,7 +358,7 @@ static SyscallDesc syscallDescs64[] = {
     /* 135 */ SyscallDesc("personality", unimplementedFunc),
     /* 136 */ SyscallDesc("ustat", unimplementedFunc),
     /* 137 */ SyscallDesc("statfs", statfsFunc<X86Linux64>),
-    /* 138 */ SyscallDesc("fstatfs", unimplementedFunc),
+    /* 138 */ SyscallDesc("fstatfs", fstatfsFunc<X86Linux64>),
     /* 139 */ SyscallDesc("sysfs", unimplementedFunc),
     /* 140 */ SyscallDesc("getpriority", unimplementedFunc),
     /* 141 */ SyscallDesc("setpriority", ignoreFunc),