diff --git a/whatsdirty/test.sh b/whatsdirty/test.sh
index 0633b7f..632a45e 100755
--- a/whatsdirty/test.sh
+++ b/whatsdirty/test.sh
@@ -71,15 +71,20 @@ fi
 echo -e "\nTest 2: First run with directory argument"
 # Use a directory that should exist in most environments
 TEST_DIR="/tmp"
+echo "  Testing with directory: $TEST_DIR"
 if [ -d "$TEST_DIR" ]; then
-    "$WHATSDIRTY_SCRIPT" "$TEST_DIR" > /dev/null 2>&1
-    if [ -f "$CONFIG_FILE" ] && [ "$(cat "$CONFIG_FILE")" = "$TEST_DIR" ]; then
+    echo "  Directory exists, running script..."
+    SCRIPT_OUTPUT=$("$WHATSDIRTY_SCRIPT" "$TEST_DIR" 2>&1)
+    SCRIPT_EXIT_CODE=$?
+    echo "  Script exit code: $SCRIPT_EXIT_CODE"
+    if [ $SCRIPT_EXIT_CODE -eq 0 ] && [ -f "$CONFIG_FILE" ] && [ "$(cat "$CONFIG_FILE")" = "$TEST_DIR" ]; then
         print_test "Directory saved to config" "PASS"
     else
         print_test "Directory saved to config" "FAIL"
         echo "  Expected config to contain: $TEST_DIR"
         echo "  Config file exists: $([ -f "$CONFIG_FILE" ] && echo "yes" || echo "no")"
         [ -f "$CONFIG_FILE" ] && echo "  Config contains: $(cat "$CONFIG_FILE")"
+        echo "  Script output: $SCRIPT_OUTPUT"
     fi
 else
     print_test "Directory saved to config" "SKIP (test directory not found)"
diff --git a/whatsdirty/whatsdirty.sh b/whatsdirty/whatsdirty.sh
index 0af6ecb..f2e8f94 100755
--- a/whatsdirty/whatsdirty.sh
+++ b/whatsdirty/whatsdirty.sh
@@ -62,8 +62,8 @@ get_last_commit_hours() {
         local current_timestamp=$(date +%s)
         local diff_seconds=$((current_timestamp - last_commit_timestamp))
         
-        # Convert to hours with decimal precision
-        local hours_ago=$(echo "scale=1; $diff_seconds / 3600" | bc)
+        # Convert to hours with decimal precision using awk (more portable than bc)
+        local hours_ago=$(awk "BEGIN {printf \"%.1f\", $diff_seconds / 3600}")
         
         # Ensure leading zero for values less than 1
         if [[ $hours_ago =~ ^\. ]]; then