diff --git a/rootdir/bin/init.qcom.post_boot.sh b/rootdir/bin/init.qcom.post_boot.sh
index 4068b8f9..356a3aa8 100755
--- a/rootdir/bin/init.qcom.post_boot.sh
+++ b/rootdir/bin/init.qcom.post_boot.sh
@@ -371,7 +371,9 @@ function configure_zram_parameters() {
 
     RamSizeGB=`echo "($MemTotal / 1048576 ) + 1" | bc`
     zRamSizeBytes=`echo "$RamSizeGB * 1024 * 1024 * 1024 / 2" | bc`
-    if [ $zRamSizeBytes -gt 4294967296 ]; then
+    zRamSizeMB=`echo "$RamSizeGB * 1024 / 2" | bc`
+    # use MB avoid 32 bit overflow
+    if [ $zRamSizeMB -gt 4096 ]; then
         zRamSizeBytes=4294967296
     fi