diff --git a/webservices/cron.php b/webservices/cron.php
index 7e7c16b58..850d3fcb9 100644
--- a/webservices/cron.php
+++ b/webservices/cron.php
@@ -573,8 +573,6 @@ try
 		}
 
 		CronExec($oP, $aProcesses, $bVerbose);
-
-		$oMutex->Unlock();
 	}
 	else
 	{
@@ -591,6 +589,22 @@ catch (Exception $e)
 		$oP->p($e->getTraceAsString());
 	}
 }
+finally
+{
+	try
+	{
+		$oMutex->Unlock();
+	}
+	catch (Exception $e)
+	{
+		$oP->p("ERROR: '".$e->getMessage()."'");
+		if ($bDebug)
+		{
+			// Might contain verb parameters such a password...
+			$oP->p($e->getTraceAsString());
+		}
+	}
+}
 
 $oP->p("Exiting: ".time().' ('.date('Y-m-d H:i:s').')');