diff --git a/Process.c b/Process.c
index 94a3c6a9f8527dc988ce19623d1b3722fa161e99..f6d54e7960ff152fb74a28ce485b999869c263a6 100644
--- a/Process.c
+++ b/Process.c
@@ -269,7 +269,7 @@ const char *Process_fieldTitles[] = {
 #endif
 #ifdef HAVE_TASKSTATS
    "     RD_CHAR ", "     WR_CHAR ", "   RD_SYSC ", "   WR_SYSC ", "  IO_RBYTES ", "  IO_WBYTES ", " IO_CANCEL ",
-   " IORR ", " IOWR ", "   IO ",
+   " IORR ", " IOWR ", " IORW ",
 #endif
 #ifdef HAVE_CGROUP
    "    CGROUP ",