diff --git a/ddraw.rc b/ddraw.rc
index 3bc77ca..9a80d98 100644
--- a/ddraw.rc
+++ b/ddraw.rc
@@ -1,6 +1,6 @@
 1 VERSIONINFO
-FILEVERSION 1,1,5,2
-PRODUCTVERSION 1,1,5,2
+FILEVERSION 1,1,5,3
+PRODUCTVERSION 1,1,5,3
 {
     BLOCK "StringFileInfo"
     {
@@ -8,13 +8,13 @@ PRODUCTVERSION 1,1,5,2
         {
             VALUE "CompanyName", "cncnet.org"
             VALUE "FileDescription", "DirectDraw replacement for C&C95 and Red Alert"
-            VALUE "FileVersion", "1.1.5.2"
+            VALUE "FileVersion", "1.1.5.3"
             VALUE "InternalName", "ddraw"
             VALUE "LegalCopyright", "Copyright (c) 2010-2018"
             VALUE "LegalTrademarks", ""
             VALUE "OriginalFileName", "ddraw.dll"
             VALUE "ProductName", "DirectDraw replacement for C&C95 and Red Alert"
-            VALUE "ProductVersion", "1.1.5.2"
+            VALUE "ProductVersion", "1.1.5.3"
             VALUE "Comments", "https://cncnet.org"
         }
     }
diff --git a/src/mouse.c b/src/mouse.c
index 2f8a53e..52b8d3c 100644
--- a/src/mouse.c
+++ b/src/mouse.c
@@ -192,7 +192,7 @@ void mouse_lock()
         
         SetRect(&rc, pt.x, pt.y, pt2.x, pt2.y);
         
-        rc.bottom -= (yAdjust * 2);
+        rc.bottom -= (yAdjust * 2) * ((float)ddraw->render.height / ddraw->height);
 
         if(ddraw->adjmouse)
         {