diff --git a/contrib/sdk/sources/SDL-1.2.2_newlib/src/Tupfile.lua b/contrib/sdk/sources/SDL-1.2.2_newlib/src/Tupfile.lua
index 4deb874a96..fdba3e06be 100755
--- a/contrib/sdk/sources/SDL-1.2.2_newlib/src/Tupfile.lua
+++ b/contrib/sdk/sources/SDL-1.2.2_newlib/src/Tupfile.lua
@@ -28,7 +28,7 @@ FOLDERS = {
 for i,v in ipairs(FOLDERS) do
   compile_gcc(v .. "*.c", v .. "%B.o")
   tup.append_table(OBJS,
-    tup.foreach_rule(v .. "*.asm", "nasm -f coff -Ihermes -o %o %f", v .. "%B.o")
+    tup.foreach_rule(v .. "*.asm", "nasm -f coff -Ihermes/ -o %o %f", v .. "%B.o")
   )
 end
 tup.rule(OBJS, "kos32-ar rcs %o %f", {"../../../lib/libSDLn.a", "../../../lib/<libSDLn>"})