diff --git a/src/arch/x86/linux/syscalls.cc b/src/arch/x86/linux/syscalls.cc
index 4c29559fb..2a7fd8d4e 100644
--- a/src/arch/x86/linux/syscalls.cc
+++ b/src/arch/x86/linux/syscalls.cc
@@ -307,8 +307,8 @@ SyscallDesc X86_64LinuxProcess::syscallDescs[] = {
     /*  73 */ SyscallDesc("flock", unimplementedFunc),
     /*  74 */ SyscallDesc("fsync", unimplementedFunc),
     /*  75 */ SyscallDesc("fdatasync", unimplementedFunc),
-    /*  76 */ SyscallDesc("truncate", unimplementedFunc),
-    /*  77 */ SyscallDesc("ftruncate", unimplementedFunc),
+    /*  76 */ SyscallDesc("truncate", truncateFunc),
+    /*  77 */ SyscallDesc("ftruncate", ftruncateFunc),
     /*  78 */ SyscallDesc("getdents", unimplementedFunc),
     /*  79 */ SyscallDesc("getcwd", unimplementedFunc),
     /*  80 */ SyscallDesc("chdir", unimplementedFunc),
@@ -602,8 +602,8 @@ SyscallDesc I386LinuxProcess::syscallDescs[] = {
     /*  89 */ SyscallDesc("readdir", unimplementedFunc),
     /*  90 */ SyscallDesc("mmap", unimplementedFunc),
     /*  91 */ SyscallDesc("munmap", munmapFunc),
-    /*  92 */ SyscallDesc("truncate", unimplementedFunc),
-    /*  93 */ SyscallDesc("ftruncate", unimplementedFunc),
+    /*  92 */ SyscallDesc("truncate", truncateFunc),
+    /*  93 */ SyscallDesc("ftruncate", ftruncateFunc),
     /*  94 */ SyscallDesc("fchmod", unimplementedFunc),
     /*  95 */ SyscallDesc("fchown", unimplementedFunc),
     /*  96 */ SyscallDesc("getpriority", unimplementedFunc),
@@ -703,8 +703,8 @@ SyscallDesc I386LinuxProcess::syscallDescs[] = {
     /* 190 */ SyscallDesc("vfork", unimplementedFunc),
     /* 191 */ SyscallDesc("ugetrlimit", unimplementedFunc),
     /* 192 */ SyscallDesc("mmap2", mmapFunc<X86Linux32>),
-    /* 193 */ SyscallDesc("truncate64", unimplementedFunc),
-    /* 194 */ SyscallDesc("ftruncate64", unimplementedFunc),
+    /* 193 */ SyscallDesc("truncate64", truncate64Func),
+    /* 194 */ SyscallDesc("ftruncate64", ftruncate64Func),
     /* 195 */ SyscallDesc("stat64", stat64Func<X86Linux32>),
     /* 196 */ SyscallDesc("lstat64", unimplementedFunc),
     /* 197 */ SyscallDesc("fstat64", fstat64Func<X86Linux32>),