diff --git a/conf/nonclangable.conf b/conf/nonclangable.conf
index 382bb0947..a8636f82e 100644
--- a/conf/nonclangable.conf
+++ b/conf/nonclangable.conf
@@ -269,6 +269,11 @@ CFLAGS:remove:pn-mozjs:toolchain-clang = "-fno-tree-vrp"
 CFLAGS:append:pn-ffmpeg:riscv64 = " -march=rv64gczbb"
 CFLAGS:append:pn-ffmpeg:riscv32 = " -march=rv32gczbb"
 
+# otherwise systemd efi fails to build
+# error: the 'sse' unit is not supported with this instruction set
+#TUNE_CCARGS:remove:pn-systemd:toolchain-clang = "-mfpmath=sse"
+#TUNE_CCARGS:remove:pn-systemd-boot:toolchain-clang = "-mfpmath=sse"
+
 TUNE_CCARGS:remove:pn-omxplayer:toolchain-clang = "-no-integrated-as"
 TUNE_CCARGS:remove:pn-nfs-utils:toolchain-clang = "-Qunused-arguments"