diff --git a/apps/opencs/model/doc/runner.cpp b/apps/opencs/model/doc/runner.cpp
index 47daa8656f..ce34f2b710 100644
--- a/apps/opencs/model/doc/runner.cpp
+++ b/apps/opencs/model/doc/runner.cpp
@@ -9,6 +9,16 @@ CSMDoc::Runner::Runner() : mRunning (false)
         this, SLOT (finished (int, QProcess::ExitStatus)));
 }
 
+CSMDoc::Runner::~Runner()
+{
+    if (mRunning)
+    {
+        disconnect (&mProcess, 0, this, 0);
+        mProcess.kill();
+        mProcess.waitForFinished();
+    }
+}
+
 void CSMDoc::Runner::start (bool delayed)
 {
     if (!delayed)
diff --git a/apps/opencs/model/doc/runner.hpp b/apps/opencs/model/doc/runner.hpp
index 4a0302670c..7d1bbd5052 100644
--- a/apps/opencs/model/doc/runner.hpp
+++ b/apps/opencs/model/doc/runner.hpp
@@ -17,6 +17,8 @@ namespace CSMDoc
 
             Runner();
 
+            ~Runner();
+
             /// \param delayed Flag as running but do not start the OpenMW process yet (the
             /// process must be started by another call of start with delayed==false)
             void start (bool delayed = false);