diff --git a/pom.xml b/pom.xml
index 840ff33..2f40dc6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,7 @@
   <licenses>
     <license>
       <name>MIT License</name>
-      <url>http://opensource.org/licenses/MIT</url>
+      <url>https://opensource.org/licenses/MIT</url>
     </license>
   </licenses>
   
@@ -68,21 +68,21 @@
   <repositories>
     <repository>
       <id>repo.jenkins-ci.org</id>
-      <url>http://repo.jenkins-ci.org/public/</url>
+      <url>https://repo.jenkins-ci.org/public/</url>
     </repository>
   </repositories>
 
   <pluginRepositories>
     <pluginRepository>
       <id>repo.jenkins-ci.org</id>
-      <url>http://repo.jenkins-ci.org/public/</url>
+      <url>https://repo.jenkins-ci.org/public/</url>
     </pluginRepository>
   </pluginRepositories>
 
     <distributionManagement>
     <repository>
       <id>repo.jenkins-ci.org</id>
-      <url>http://repo.jenkins-ci.org/releases</url>
+      <url>https://repo.jenkins-ci.org/releases</url>
     </repository>
   </distributionManagement>
 
diff --git a/src/main/java/org/jenkinsci/plugins/environmentdashboard/DashboardBuilder.java b/src/main/java/org/jenkinsci/plugins/environmentdashboard/DashboardBuilder.java
index 691d6f7..e79710b 100644
--- a/src/main/java/org/jenkinsci/plugins/environmentdashboard/DashboardBuilder.java
+++ b/src/main/java/org/jenkinsci/plugins/environmentdashboard/DashboardBuilder.java
@@ -101,7 +101,7 @@ public List<ListItem> getData() {
         @Override
         public void setUp(SimpleBuildWrapper.Context context, Run<?, ?> build, FilePath workspace, Launcher launcher, TaskListener listener, EnvVars initialEnvironment) throws IOException, InterruptedException {
 		// PreBuild
-		final Integer numberOfDays = ((getDescriptor().getNumberOfDays() == null) ? 30
+		final Integer numberOfDays = ((getDescriptor().getNumberOfDays() == null) ? Integer.valueOf(30)
 				: getDescriptor().getNumberOfDays());
 		String passedBuildNumber = build.getEnvironment(listener).expand(buildNumber);
 		String passedEnvName = build.getEnvironment(listener).expand(nameOfEnv);