diff --git a/justfile b/justfile
index 07fdf6f..b2f64df 100644
--- a/justfile
+++ b/justfile
@@ -2,6 +2,7 @@ run:
   qemu-system-x86_64 \
     -monitor stdio \
     -bios seabios/out/bios.bin \
+    -m 512M \
     -drive format=raw,file=disk.bin
 
 build: