1 files changed, 9 insertions, 2 deletions
diff --git a/SwifTools/Idle/MacOSXIdleQuerier.cpp b/SwifTools/Idle/MacOSXIdleQuerier.cpp
index 6d6780b..89fa050 100644
--- a/SwifTools/Idle/MacOSXIdleQuerier.cpp
+++ b/SwifTools/Idle/MacOSXIdleQuerier.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010 Isode Limited.
+ * Copyright (c) 2010-2018 Isode Limited.
 * All rights reserved.
 * See the COPYING file for more information.
 */
@@ -10,6 +10,8 @@
 #include <cassert>
 #include <iostream>
+#include <limits>
 #include <boost/numeric/conversion/cast.hpp>
 #include <CoreFoundation/CoreFoundation.h>
@@ -29,7 +31,12 @@ int MacOSXIdleQuerier::getIdleTimeSeconds() {
    assert(result);
    (void) result;
    CFRelease(property);
-    return boost::numeric_cast<int>(idle / 1000000000);
+    try {
+        return boost::numeric_cast<int>(idle / 1000000000);
+    }
+    catch (const boost::numeric::bad_numeric_cast&) {
+        return std::numeric_limits<int>::max();
+    }
 }
 }