diff --git a/animal-sniffer-enforcer-rule/src/main/java/org/codehaus/mojo/animal_sniffer/enforcer/CheckSignatureRule.java b/animal-sniffer-enforcer-rule/src/main/java/org/codehaus/mojo/animal_sniffer/enforcer/CheckSignatureRule.java
index e148c0a4..3b031b6e 100644
--- a/animal-sniffer-enforcer-rule/src/main/java/org/codehaus/mojo/animal_sniffer/enforcer/CheckSignatureRule.java
+++ b/animal-sniffer-enforcer-rule/src/main/java/org/codehaus/mojo/animal_sniffer/enforcer/CheckSignatureRule.java
@@ -134,10 +134,10 @@ public class CheckSignatureRule
     /**
      * Should test classes be checked.
      *
-     * //parameter default-value="true"
+     * //parameter default-value="false"
      * @since 1.19
      */
-    private boolean checkTestClasses = true;
+    private boolean checkTestClasses = false;
 
     public void execute( EnforcerRuleHelper helper )
         throws EnforcerRuleException
diff --git a/animal-sniffer-maven-plugin/src/it/github-5-test-classes/invoker.properties b/animal-sniffer-maven-plugin/src/it/github-5-test-classes/invoker.properties
index 1c2b2875..6055e202 100644
--- a/animal-sniffer-maven-plugin/src/it/github-5-test-classes/invoker.properties
+++ b/animal-sniffer-maven-plugin/src/it/github-5-test-classes/invoker.properties
@@ -21,7 +21,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 # THE SOFTWARE.
 #
-invoker.goals.1=verify -Danimal.sniffer.checkTestClasses=false
+invoker.goals.1=verify
 
-invoker.goals.2=verify
+invoker.goals.2=verify  -Danimal.sniffer.checkTestClasses=true
 invoker.buildResult.2=failure
\ No newline at end of file
diff --git a/animal-sniffer-maven-plugin/src/main/java/org/codehaus/mojo/animal_sniffer/maven/CheckSignatureMojo.java b/animal-sniffer-maven-plugin/src/main/java/org/codehaus/mojo/animal_sniffer/maven/CheckSignatureMojo.java
index 15b665fc..47661b0b 100644
--- a/animal-sniffer-maven-plugin/src/main/java/org/codehaus/mojo/animal_sniffer/maven/CheckSignatureMojo.java
+++ b/animal-sniffer-maven-plugin/src/main/java/org/codehaus/mojo/animal_sniffer/maven/CheckSignatureMojo.java
@@ -86,7 +86,7 @@ public class CheckSignatureMojo
      *
      * @since 1.19
      */
-    @Parameter( property = "animal.sniffer.checkTestClasses", defaultValue = "true" )
+    @Parameter( property = "animal.sniffer.checkTestClasses", defaultValue = "false" )
     protected boolean checkTestClasses;
 
     /**