diff --git a/job.cpp b/job.cpp
--- a/job.cpp
+++ b/job.cpp
@@ -116,8 +116,10 @@
 
     /* extra parameters */
     QString cppcheckParameters(parameters.parameters);
-    if (!cppcheckParameters.isEmpty())
-        args.append(cppcheckParameters);
+    if (!cppcheckParameters.isEmpty()) {
+        QStringList sa = KShell::splitArgs(cppcheckParameters);
+        args.append(sa);
+    }
 
     if (parameters.checkStyle)
         args.append("--enable=style");