diff --git a/modules/MinimumSpanningTree/pom.xml b/modules/MinimumSpanningTree/pom.xml
index 246355615a..d19833f9dd 100644
--- a/modules/MinimumSpanningTree/pom.xml
+++ b/modules/MinimumSpanningTree/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>com.carlschroedl.gephi</groupId>
     <artifactId>spanning-tree-plugin</artifactId>
-    <version>1.0.0</version>
+    <version>1.0.1</version>
     <packaging>nbm</packaging>
 
     <name>Minimum Spanning Tree Plugin</name>
diff --git a/modules/MinimumSpanningTree/src/main/java/com/carlschroedl/gephi/plugin/minimumspanningtree/MinimumSpanningTree.java b/modules/MinimumSpanningTree/src/main/java/com/carlschroedl/gephi/plugin/minimumspanningtree/MinimumSpanningTree.java
index 56ee2c7309..b332a3c94b 100644
--- a/modules/MinimumSpanningTree/src/main/java/com/carlschroedl/gephi/plugin/minimumspanningtree/MinimumSpanningTree.java
+++ b/modules/MinimumSpanningTree/src/main/java/com/carlschroedl/gephi/plugin/minimumspanningtree/MinimumSpanningTree.java
@@ -16,7 +16,8 @@ public class MinimumSpanningTree implements Statistics, LongTask {
 
     private boolean cancel = false;
     private ProgressTicket progressTicket;
-    private MinimumSpanningTreeAlgorithm stAlgorithm;
+    // Set by the thread running the statistics, and read when cancelling from another
+    private volatile MinimumSpanningTreeAlgorithm stAlgorithm;
     
     private boolean directed;
     
@@ -49,7 +50,9 @@ public String getReport() { //delegate
 
     @Override   //delegate
     public boolean cancel() {
-        return stAlgorithm.cancel();
+        // Can be called right as the run starts, before the algorithm exists
+        MinimumSpanningTreeAlgorithm algorithm = stAlgorithm;
+        return algorithm != null && algorithm.cancel();
     }
 
     @Override