diff --git a/src/main/resources/hudson/plugins/matrix_configuration_parameter/MatrixCombinationsParameterDefinition/index.groovy b/src/main/resources/hudson/plugins/matrix_configuration_parameter/MatrixCombinationsParameterDefinition/index.groovy
index 90bf545..3a08bc9 100644
--- a/src/main/resources/hudson/plugins/matrix_configuration_parameter/MatrixCombinationsParameterDefinition/index.groovy
+++ b/src/main/resources/hudson/plugins/matrix_configuration_parameter/MatrixCombinationsParameterDefinition/index.groovy
@@ -80,6 +80,9 @@ private void drawMainLinksJS(String nameIt) {
 }
 
 private int encodeRunResult(MatrixRun run) {
+    if (run.getResult() == null) {
+        return 0
+    };
     if (Result.SUCCESS.isWorseOrEqualTo(run.getResult())) {
         return 0
     };