1 files changed, 4 insertions, 0 deletions
diff --git a/node/build b/node/build
index 6e3cc14..b4b8186 100755
--- a/node/build
+++ b/node/build
@@ -63,6 +63,10 @@ mkdir build
 
 ramdisk_size=$(get_ramdisk_size $2)
 
+if [ -z "$ramdisk_size" ]; then
+    ramdisk_size=0
+fi
+
 # Put build/* on a ramdisk to speed up build
 if [ -z "$ramdisk_size" -o "$ramdisk_size" != "0" ]; then
     mem_total=`cat /proc/meminfo | grep MemTotal | sed -s 's/[^0-9]*\([0-9]*\) kB/\1/'`