diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index fab6bf6..37f6fa9 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -373,6 +373,9 @@
 endif
 ENABLE_SVE_FOR_SWD		:= 0
 
+# Default SVE vector length to maximum architected value
+SVE_VECTOR_LEN			:= 2048
+
 # SME defaults to disabled
 ENABLE_SME_FOR_NS		:= 0
 ENABLE_SME_FOR_SWD		:= 0