diff --git a/tests/gem5/configs/riscv_boot_exit_run.py b/tests/gem5/configs/riscv_boot_exit_run.py
index 38f57d8..cf6d0f7 100644
--- a/tests/gem5/configs/riscv_boot_exit_run.py
+++ b/tests/gem5/configs/riscv_boot_exit_run.py
@@ -80,7 +80,8 @@
     "-d",
     "--dram-class",
     type=str,
-    required=True,
+    required=False,
+    default="DualChannelDDR3_1600",
     help="The python class for the memory interface to use"
 )
 
diff --git a/tests/gem5/configs/x86_boot_exit_run.py b/tests/gem5/configs/x86_boot_exit_run.py
index 96d1dad..217a823 100644
--- a/tests/gem5/configs/x86_boot_exit_run.py
+++ b/tests/gem5/configs/x86_boot_exit_run.py
@@ -78,7 +78,8 @@
     "-d",
     "--dram-class",
     type=str,
-    required=True,
+    required=False,
+    default="DualChannelDDR3_1600",
     help="The python class for the memory interface to use"
 )
 parser.add_argument(