diff --git a/hw/arm/raspi.c b/hw/arm/raspi.c
index 1628b0dda7..f0dcffbc2e 100644
--- a/hw/arm/raspi.c
+++ b/hw/arm/raspi.c
@@ -296,7 +296,7 @@ static void raspi2_machine_class_init(ObjectClass *oc, void *data)
     mc->max_cpus = BCM283X_NCPUS;
     mc->min_cpus = BCM283X_NCPUS;
     mc->default_cpus = BCM283X_NCPUS;
-    mc->default_ram_size = 1 * GiB;
+    mc->default_ram_size = board_ram_size(board_rev);
     mc->ignore_memory_transaction_failures = true;
 };
 
@@ -317,7 +317,7 @@ static void raspi3_machine_class_init(ObjectClass *oc, void *data)
     mc->max_cpus = BCM283X_NCPUS;
     mc->min_cpus = BCM283X_NCPUS;
     mc->default_cpus = BCM283X_NCPUS;
-    mc->default_ram_size = 1 * GiB;
+    mc->default_ram_size = board_ram_size(board_rev);
 }
 #endif