diff --git a/ext/dramsys/SConscript b/ext/dramsys/SConscript
index d5a690c2a1..e0d34434ef 100644
--- a/ext/dramsys/SConscript
+++ b/ext/dramsys/SConscript
@@ -50,7 +50,7 @@ subprocess.run(
         "-DCMAKE_BUILD_TYPE=Release",
         f"-DSCONS_SOURCE_DIR:STRING={scons_root}",
         "-DDRAMSYS_BUILD_CLI=OFF",
-        "-DDRAMSYS_SHARED_PIM_UNITS=ON"
+        "-DDRAMSYS_SHARED_PIM_UNITS=OFF"
     ],
     check=True
 )
diff --git a/src/python/gem5/components/memory/dramsys.py b/src/python/gem5/components/memory/dramsys.py
index a09d2fa0fc..4cdd5a8528 100644
--- a/src/python/gem5/components/memory/dramsys.py
+++ b/src/python/gem5/components/memory/dramsys.py
@@ -183,6 +183,6 @@ class DRAMSysHBM2(DRAMSysMem):
             configuration=(
                 DEFAULT_DRAMSYS_DIRECTORY / "configs/hbm2-example.json"
             ).as_posix(),
-            size="1GB",
+            size="2GB",
             recordable=recordable,
         )