--- a/hedgewars/uLandObjects.pas	Fri Aug 23 21:04:40 2019 +0300
+++ b/hedgewars/uLandObjects.pas	Fri Aug 23 21:12:56 2019 +0300
@@ -348,7 +348,7 @@
 
 procedure ChecksumLandObjectImage(Image: PSDL_Surface; alphaOnly: boolean);
 var y, x: LongInt;
-var rowData: PByte;
+var rowData: PByteArray;
 begin
     if Image = nil then exit;
 
@@ -369,7 +369,7 @@
         if alphaOnly then
             begin
             for x := 0 to Image^.w - 1 do
-                PByteArray(rowData)^[x] := PByteArray(Image^.pixels)^[y * Image^.pitch + x * 4 + AByteIndex];
+                rowData^[x] := PByteArray(Image^.pixels)^[y * Image^.pitch + x * 4 + AByteIndex];
             syncedPixelDigest:= Adler32Update(syncedPixelDigest, rowData, Image^.w);
             end
         else

--- a/hedgewars/uStore.pas	Fri Aug 23 21:04:40 2019 +0300
+++ b/hedgewars/uStore.pas	Fri Aug 23 21:12:56 2019 +0300
@@ -386,7 +386,7 @@
     ai: TAmmoType;
     tmpsurf, tmpoverlay: PSDL_Surface;
     i, y, x, imflags: LongInt;
-    rowData: PByte;
+    rowData: PByteArray;
     keyConfirm, keyQuit: shortstring;
 begin
 AddFileLog('StoreLoad()');
@@ -438,7 +438,7 @@
                     for y := 0 to tmpsurf^.h-1 do
                         begin
                         for x := 0 to tmpsurf^.w - 1 do
-                            PByteArray(rowData)^[x] := PByteArray(tmpsurf^.pixels)^[y * tmpsurf^.pitch + x * 4 + AByteIndex];
+                            rowData^[x] := PByteArray(tmpsurf^.pixels)^[y * tmpsurf^.pitch + x * 4 + AByteIndex];
                         syncedPixelDigest:= Adler32Update(syncedPixelDigest, rowData, tmpsurf^.w);
                         end;
                     FreeMem(rowData, tmpsurf^.w);