diff --git a/src/freedombone-utils-setup b/src/freedombone-utils-setup
index f9a04c1a36d498c8610ba6950c2af2f86de7ebd4..53d96361e941dac12739fa4b135db4304b44afe5 100755
--- a/src/freedombone-utils-setup
+++ b/src/freedombone-utils-setup
@@ -1030,7 +1030,7 @@ function combine_all_scripts {
 
 function check_ram_availability {
     minimum_ram_MB="$1"
-    minimum_ram_bytes=$((minimum_ram_gb * 1024))
+    minimum_ram_bytes=$((minimum_ram_MB * 1024))
 
     ram_available=$(grep MemTotal /proc/meminfo | awk '{print $2}')
     if [ $ram_available -lt $minimum_ram_bytes ]; then