diff --git a/libpurgeablemem/common/src/ux_page_table_c.c b/libpurgeablemem/common/src/ux_page_table_c.c
index 7dd5e4cbcdd173010dfce01f0007a45b21c0ad25..abde6f9c2f7ea320470ea1939815099e8c6eb713 100644
--- a/libpurgeablemem/common/src/ux_page_table_c.c
+++ b/libpurgeablemem/common/src/ux_page_table_c.c
@@ -262,11 +262,11 @@ static void UxpteAdd(uxpte_t *pte, size_t incNum)
     uxpte_t old = 0;
     uxpte_t newVal = 0;
     do {
+        old = UxpteLoad(pte);
         if (old + incNum < old || old + incNum < incNum) {
             break;
         }
         newVal = old + incNum;
-        old = UxpteLoad(pte);
         if (ULONG_MAX - old < incNum) {
             return;
         }