diff --git a/arch/arm64/tools/sysreg b/arch/arm64/tools/sysreg
index 696ab1f32a67..2a37d4c26d87 100644
--- a/arch/arm64/tools/sysreg
+++ b/arch/arm64/tools/sysreg
@@ -1693,7 +1693,7 @@ UnsignedEnum	43:40	TraceFilt
 	0b0000	NI
 	0b0001	IMP
 EndEnum
-UnsignedEnum	39:36	DoubleLock
+SignedEnum	39:36	DoubleLock
 	0b0000	IMP
 	0b1111	NI
 EndEnum
@@ -2409,7 +2409,7 @@ UnsignedEnum	11:8	ASID2
 	0b0000	NI
 	0b0001	IMP
 EndEnum
-SignedEnum	7:4	EIESB
+UnsignedEnum	7:4	EIESB
 	0b0000	NI
 	0b0001	ToEL3
 	0b0010	ToELx