diff -r 2b30283a402c -r 8e221d2a368e hedgewars/uTextures.pas
--- a/hedgewars/uTextures.pas	Sun Jan 10 17:39:27 2016 +0100
+++ b/hedgewars/uTextures.pas	Sun Jan 10 18:01:17 2016 +0100
@@ -176,6 +176,9 @@
     r, slr, w, si, li: LongWord;
 begin
     w:= surf^.w;
+    // just a single pixel, nothing to do here
+    if (w < 2) and (surf^.h < 2) then
+        exit;
     slr:= surf^.h - 2;
     si:= 0;
     li:= w - 1;