diff --git a/pitest-ant/src/main/java/org/pitest/ant/PitestTask.java b/pitest-ant/src/main/java/org/pitest/ant/PitestTask.java
index 75f000842..18340e143 100644
--- a/pitest-ant/src/main/java/org/pitest/ant/PitestTask.java
+++ b/pitest-ant/src/main/java/org/pitest/ant/PitestTask.java
@@ -248,6 +248,10 @@ public void setMutationEngine(String value) {
     this.setOption(ConfigOption.MUTATION_ENGINE, value);
   }
 
+  public void setFullMutationMatrix(final String value) {
+    this.setOption(ConfigOption.FULL_MUTATION_MATRIX, value);
+  }
+
   public void setJVM(String value) {
     this.setOption(ConfigOption.JVM_PATH, value);
   }
diff --git a/pitest-ant/src/test/java/org/pitest/ant/PitestTaskTest.java b/pitest-ant/src/test/java/org/pitest/ant/PitestTaskTest.java
index 91c948944..5c836295b 100644
--- a/pitest-ant/src/test/java/org/pitest/ant/PitestTaskTest.java
+++ b/pitest-ant/src/test/java/org/pitest/ant/PitestTaskTest.java
@@ -474,6 +474,13 @@ public void shouldPassClasspathJarFlagToJavaTask() {
     this.pitestTask.execute(this.java);
     verify(this.arg).setValue("--useClasspathJar=true");
   }
+
+  @Test
+  public void shouldPassMutationMatrixFlagToJavaTask() {
+    this.pitestTask.setFullMutationMatrix("true");
+    this.pitestTask.execute(this.java);
+    verify(this.arg).setValue("--fullMutationMatrix=true");
+  }
   
   private static class PathMatcher extends ArgumentMatcher<Path> {