diff --git a/plat/fvp/bl31_plat_setup.c b/plat/fvp/bl31_plat_setup.c
index 55e4896c50af11a69e85a616e0dafd1da01306a6..f845bf172677bf5ff87548b5fe7d8801ba09d741 100644
--- a/plat/fvp/bl31_plat_setup.c
+++ b/plat/fvp/bl31_plat_setup.c
@@ -199,8 +199,8 @@ void bl31_plat_arch_setup()
 	plat_cci_setup();
 
 #endif
-	configure_mmu_el3(BL31_RO_BASE,
-			  (BL31_COHERENT_RAM_LIMIT - BL31_RO_BASE),
+	configure_mmu_el3(TZRAM_BASE,
+			  TZRAM_SIZE,
 			  BL31_RO_BASE,
 			  BL31_RO_LIMIT,
 			  BL31_COHERENT_RAM_BASE,