diff --git a/modules/performance/hardware-health-check.sh b/modules/performance/hardware-health-check.sh
index a615801..6f99d42 100755
--- a/modules/performance/hardware-health-check.sh
+++ b/modules/performance/hardware-health-check.sh
@@ -1835,15 +1835,29 @@ main() {
     press_enter
 
     # Severity-based exit codes for monitoring system integration
-    # exit 0 = healthy (INFO only)
-    # exit 1 = warnings detected
-    # exit 2 = critical issues detected
-    case "$overall" in
-        CRITICAL) exit 2 ;;
-        WARNING) exit 1 ;;
-        *) exit 0 ;;
-    esac
+    # Only use exit codes when script is run standalone (not sourced by launcher)
+    # When sourced, the return value is available via $? but won't exit the parent shell
+    if [ "${BASH_SOURCE[0]}" = "${0}" ]; then
+        # Script is being run directly, use exit codes
+        case "$overall" in
+            CRITICAL) exit 2 ;;
+            WARNING) exit 1 ;;
+            *) exit 0 ;;
+        esac
+    else
+        # Script is being sourced (called from launcher), use return codes
+        case "$overall" in
+            CRITICAL) return 2 ;;
+            WARNING) return 1 ;;
+            *) return 0 ;;
+        esac
+    fi
 }
 
-# Run main function
-main
+# Run main function only if script is executed directly (not sourced)
+if [ "${BASH_SOURCE[0]}" = "${0}" ]; then
+    main
+else
+    # When sourced, call main but don't auto-run
+    main
+fi