Index: tools/toolchain.sh
===================================================================
--- tools/toolchain.sh	(revision a44893729478a3123b0209d0ff41f8365447c092)
+++ tools/toolchain.sh	(revision a9aafa1d6371f470985f9a54f3f739fcf1852baa)
@@ -345,7 +345,12 @@
 		mkdir -p "${WORKDIR}/sysroot/include"
 		mkdir "${WORKDIR}/sysroot/lib"
+		ARCH="$PLATFORM"
+		if [ "$ARCH" = "mips32eb" ]; then
+			ARCH=mips32
+		fi
+
 		cp -r -L -t "${WORKDIR}/sysroot/include" \
 			${SRCDIR}/../abi/include/* \
-			${SRCDIR}/../uspace/lib/c/arch/${PLATFORM}/include/* \
+			${SRCDIR}/../uspace/lib/c/arch/${ARCH}/include/* \
 			${SRCDIR}/../uspace/lib/c/include/*
 		check_error $? "Failed to create build sysroot."