diff --git a/dracut/full-dmroot/qubes_cow_setup.sh b/dracut/full-dmroot/qubes_cow_setup.sh
index 697f604..78d3c2b 100644
--- a/dracut/full-dmroot/qubes_cow_setup.sh
+++ b/dracut/full-dmroot/qubes_cow_setup.sh
@@ -62,7 +62,7 @@ if [ `cat /sys/block/xvda/ro` = 1 ] ; then
     while ! [ -e /dev/xvdc ]; do sleep 0.1; done
     VOLATILE_SIZE=$(sfdisk -s /dev/xvdc)
     ROOT_SIZE=$(sfdisk -s /dev/xvda) # kbytes
-    SWAP_SIZE=1024 # kbytes
+    SWAP_SIZE=$(( 1024 * 1024 )) # kbytes
     if [ $VOLATILE_SIZE -lt $(($ROOT_SIZE + $SWAP_SIZE)) ]; then
         ROOT_SIZE=$(($VOLATILE_SIZE - $SWAP_SIZE))
     fi
diff --git a/dracut/simple/init.sh b/dracut/simple/init.sh
index adc525c..201b7e4 100644
--- a/dracut/simple/init.sh
+++ b/dracut/simple/init.sh
@@ -21,7 +21,7 @@ if [ `cat /sys/block/xvda/ro` = 1 ] ; then
     while ! [ -e /dev/xvdc ]; do sleep 0.1; done
     VOLATILE_SIZE=$(sfdisk -s /dev/xvdc)
     ROOT_SIZE=$(sfdisk -s /dev/xvda) # kbytes
-    SWAP_SIZE=1024 # kbytes
+    SWAP_SIZE=$(( 1024 * 1024 )) # kbytes
     if [ $VOLATILE_SIZE -lt $(($ROOT_SIZE + $SWAP_SIZE)) ]; then
         ROOT_SIZE=$(($VOLATILE_SIZE - $SWAP_SIZE))
     fi