diff --git a/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp b/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp
index 3a0387fae11..5f76366c987 100644
--- a/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp
+++ b/src/hotspot/share/gc/parallel/psAdaptiveSizePolicy.cpp
@@ -89,8 +89,8 @@ class IOPolicy : public CHeapObj<mtGC> {
        * cpu 417487649 75106 102895030 23107566512 152075 65480092 6013218 0 0 0
        */
       size_t user, nice, system, idle, iowait_time, irq, softirq, steal, guest, guest_nice;
-      int parse_line = sscanf(line, "cpu  %lu %lu %lu %lu %lu %lu %lu %lu %lu %lu", &user,
-                 &nice, &system, &idle, &iowait_time, &irq, &softirq, &steal, &guest, &guest_nice);
+      int parse_line = sscanf(line, "cpu  " SIZE_FORMAT " " SIZE_FORMAT " " SIZE_FORMAT " " SIZE_FORMAT " " SIZE_FORMAT " " SIZE_FORMAT " " SIZE_FORMAT " " SIZE_FORMAT " " SIZE_FORMAT " " SIZE_FORMAT,
+                              &user, &nice, &system, &idle, &iowait_time, &irq, &softirq, &steal, &guest, &guest_nice);
       if (parse_line != 10) {
         fill_value_fail(file);
         return;