diff --git a/libgcc/config/aarch64/lse.S b/libgcc/config/aarch64/lse.S
index ecef47086c6..77b3dc5a981 100644
--- a/libgcc/config/aarch64/lse.S
+++ b/libgcc/config/aarch64/lse.S
@@ -54,6 +54,10 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #include "aarch64-asm.h"
 #include "auto-target.h"
 
+/* L is defined in aarch64-asm.h for a different purpose than why we
+   use it here.  */
+#undef L
+
 /* Tell the assembler to accept LSE instructions.  */
 #ifdef HAVE_AS_LSE
 	.arch armv8-a+lse