diff --git a/runnercontext.cpp b/runnercontext.cpp
index 729aa5fa4..a610301f4 100644
--- a/runnercontext.cpp
+++ b/runnercontext.cpp
@@ -249,6 +249,16 @@ RunnerContext::~RunnerContext()
 {
 }
 
+RunnerContext &RunnerContext::operator=(const RunnerContext &other)
+{
+    LOCK_FOR_WRITE(this)
+    LOCK_FOR_READ((&other))
+    d = other.d;
+    UNLOCK((&other))
+    UNLOCK(this)
+    return *this;
+}
+
 void RunnerContext::reset()
 {
     // We will detach if we are a copy of someone. But we will reset
diff --git a/runnercontext.h b/runnercontext.h
index d862f5a22..3dd218b5b 100644
--- a/runnercontext.h
+++ b/runnercontext.h
@@ -67,7 +67,13 @@ class PLASMA_EXPORT RunnerContext : public QObject
         /**
          * Copy constructor
          */
-        explicit RunnerContext(RunnerContext &other, QObject *parent = 0);
+        RunnerContext(RunnerContext &other, QObject *parent = 0);
+
+        /**
+         * Assignment operator
+         * @since 4.4
+         */
+        RunnerContext &operator=(const RunnerContext &other);
 
         ~RunnerContext();