diff --git a/driveAtlas.sh b/driveAtlas.sh
index 9e139c2..1d53f33 100644
--- a/driveAtlas.sh
+++ b/driveAtlas.sh
@@ -486,7 +486,8 @@ for bay in $(printf '%s\n' "${!DRIVE_MAP[@]}" | grep -E '^[0-9]+$' | sort -n); d
             [[ -z "$reweight" ]] && reweight="0"
 
             # Determine in/out based on reweight (1.0 = in, 0 = out)
-            if (( $(echo "$reweight > 0" | bc -l 2>/dev/null || echo 0) )); then
+            # Use awk for floating point comparison (more portable than bc)
+            if awk "BEGIN {exit !($reweight > 0)}"; then
                 in_status="in"
             else
                 in_status="out"