diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk
index 290a6fe..8c884b4 100644
--- a/make_helpers/defaults.mk
+++ b/make_helpers/defaults.mk
@@ -146,7 +146,7 @@
 RME_GPT_BITLOCK_BLOCK		:= 1
 
 # Default maximum size of GPT contiguous block
-RME_GPT_MAX_BLOCK		:= 2
+RME_GPT_MAX_BLOCK		:= 512
 
 # Hint platform interrupt control layer that Group 0 interrupts are for EL3. By
 # default, they are for Secure EL1.