diff --git a/src/eva2/server/go/operators/mutation/MutateEAMixer.java b/src/eva2/server/go/operators/mutation/MutateEAMixer.java
index 1644f1bc..aa0e7c13 100644
--- a/src/eva2/server/go/operators/mutation/MutateEAMixer.java
+++ b/src/eva2/server/go/operators/mutation/MutateEAMixer.java
@@ -49,6 +49,16 @@ public class MutateEAMixer implements InterfaceMutation, java.io.Serializable  {
         this.m_Mutators.setWeightsLabel("Weigths");
 
     }
+    
+    /**
+     * Create a mutation mixer with equal weights of the given mutation operators.
+     * @param mutators
+     */
+    public MutateEAMixer(InterfaceMutation[] mutators) {
+        this.m_Mutators         = new PropertyMutationMixer(mutators);
+        this.m_UseSelfAdaption  = false;
+    }
+    
     public MutateEAMixer(MutateEAMixer mutator) {
         this.m_Mutators         = (PropertyMutationMixer)mutator.m_Mutators.clone();
         this.m_UseSelfAdaption  = mutator.m_UseSelfAdaption;
@@ -150,7 +160,7 @@ public class MutateEAMixer implements InterfaceMutation, java.io.Serializable  {
      * @return description
      */
     public static String globalInfo() {
-        return "This mmeta-mutation operator allows you to combine multiple alternative mutation operators.";
+        return "This meta-mutation operator allows you to combine multiple alternative mutation operators.";
     }
 
     /** Choose the set of mutators.
diff --git a/src/eva2/server/go/problems/MatlabProblem.java b/src/eva2/server/go/problems/MatlabProblem.java
index 19e886c4..043d1d47 100644
--- a/src/eva2/server/go/problems/MatlabProblem.java
+++ b/src/eva2/server/go/problems/MatlabProblem.java
@@ -52,6 +52,7 @@ public class MatlabProblem extends AbstractOptimizationProblem implements Interf
 
 	public MatlabProblem(MatlabProblem o) {
 //		this.matlab = o.matlab;
+		this.m_Template=null;
 		this.handler = o.handler;
 		this.runnable = o.runnable;
 		this.allowSingleRunnable = o.allowSingleRunnable;
@@ -99,7 +100,7 @@ public class MatlabProblem extends AbstractOptimizationProblem implements Interf
 				((InterfaceDataTypeDouble)this.m_Template).SetDoubleRange(range);
 			}
 		} else {
-			m_Template         = new GAIndividualIntegerData();
+			if (m_Template == null) m_Template         = new GAIndividualIntegerData();
 			int intLen = 1+((getProblemDimension()-1)/32);
 			int lastIntCodingBits = getProblemDimension()-((intLen-1)*32);
 			if (lastIntCodingBits > 32) System.err.println("ERROR in MatlabProblem:initTemplate");