diff --git a/sdk/xmake.lua b/sdk/xmake.lua
index c7feda38..827d6128 100644
--- a/sdk/xmake.lua
+++ b/sdk/xmake.lua
@@ -571,8 +571,8 @@ rule("firmware")
 		local code_start = format("0x%x", board.instruction_memory.start);
 		-- Put the data either at the specified address if given, or directly after code
 		local data_start = board.data_memory and format("0x%x", board.data_memory.start) or '.';
-		local rwdata_ldscript = "build/" .. target:name() .. "-firmware.rwdata.ldscript";
-		local rocode_ldscript = "build/" .. target:name() .. "-firmware.rocode.ldscript"
+		local rwdata_ldscript = path.join(config.buildir(), target:name() .. "-firmware.rwdata.ldscript")
+		local rocode_ldscript = path.join(config.buildir(), target:name() .. "-firmware.rocode.ldscript")
 		if not board.data_memory or (board.instruction_memory.start < board.data_memory.start) then
 			-- If we're not explicilty given a data address or it's lower than the code address
 			-- then code needs to go first in the linker script.