diff --git a/dlls/comctl32/dpa.c b/dlls/comctl32/dpa.c
index b8d23f6cafa..aa9a045e516 100644
--- a/dlls/comctl32/dpa.c
+++ b/dlls/comctl32/dpa.c
@@ -859,7 +859,7 @@ INT WINAPI DPA_Search (HDPA hdpa, LPVOID pFind, INT nStart,
         r = hdpa->nItemCount - 1;
         lpPtr = hdpa->ptrs;
         while (r >= l) {
-            x = (l + r) / 2;
+            x = l + (r - l) / 2;
             n = (pfnCompare)(pFind, lpPtr[x], lParam);
             if (n == 0)
                 return x;