diff --git a/projects/RPi/devices/RPi5/config/distroconfig-composite.txt b/projects/RPi/devices/RPi5/config/distroconfig-composite.txt
index 26625be562..aa6bc18832 100644
--- a/projects/RPi/devices/RPi5/config/distroconfig-composite.txt
+++ b/projects/RPi/devices/RPi5/config/distroconfig-composite.txt
@@ -7,7 +7,7 @@ arm_64bit=1
 kernel=kernel.img
 display_auto_detect=1
 enable_tvout=1
-dtoverlay=vc4-kms-v3d,cma-512,composite=1
+dtoverlay=vc4-kms-v3d,cma-64,composite=1
 dtoverlay=
 disable_overscan=1
 disable_fw_kms_setup=1
diff --git a/projects/RPi/devices/RPi5/config/distroconfig.txt b/projects/RPi/devices/RPi5/config/distroconfig.txt
index 10df6ca5e3..ce81b92ca9 100644
--- a/projects/RPi/devices/RPi5/config/distroconfig.txt
+++ b/projects/RPi/devices/RPi5/config/distroconfig.txt
@@ -6,7 +6,7 @@ arm_boost=1
 arm_64bit=1
 kernel=kernel.img
 display_auto_detect=1
-dtoverlay=vc4-kms-v3d,cma-512
+dtoverlay=vc4-kms-v3d,cma-64
 dtoverlay=
 disable_overscan=1
 disable_fw_kms_setup=1