diff --git a/src/main/java/org/codehaus/mojo/buildhelper/AbstractAddResourceMojo.java b/src/main/java/org/codehaus/mojo/buildhelper/AbstractAddResourceMojo.java
index 2c346a96..5503d604 100644
--- a/src/main/java/org/codehaus/mojo/buildhelper/AbstractAddResourceMojo.java
+++ b/src/main/java/org/codehaus/mojo/buildhelper/AbstractAddResourceMojo.java
@@ -47,14 +47,6 @@ public abstract class AbstractAddResourceMojo extends AbstractMojo {
     @Parameter(readonly = true, defaultValue = "${project}")
     private MavenProject project;
 
-    /**
-     * If a resource directory does not exist, do not add it as a root.
-     *
-     * @since 3.4.1
-     */
-    @Parameter(property = "skipIfMissing", defaultValue = "false")
-    private boolean skipIfMissing;
-
     /**
      * Main plugin execution
      */
@@ -75,7 +67,7 @@ public void execute() {
                 resource.setDirectory(resourceDir.getAbsolutePath());
             }
 
-            if (skipIfMissing && !resourceDir.exists()) {
+            if (isSkipIfMissing() && !resourceDir.exists()) {
                 if (getLog().isDebugEnabled()) {
                     getLog().debug("Skipping directory: " + resourceDir + ", because it does not exist.");
                 }
@@ -85,6 +77,8 @@ public void execute() {
         }
     }
 
+    protected abstract boolean isSkipIfMissing();
+
     protected abstract boolean isSkip();
 
     /**
diff --git a/src/main/java/org/codehaus/mojo/buildhelper/AddResourceMojo.java b/src/main/java/org/codehaus/mojo/buildhelper/AddResourceMojo.java
index f4129233..33471484 100644
--- a/src/main/java/org/codehaus/mojo/buildhelper/AddResourceMojo.java
+++ b/src/main/java/org/codehaus/mojo/buildhelper/AddResourceMojo.java
@@ -46,6 +46,14 @@ public class AddResourceMojo extends AbstractAddResourceMojo {
     @Parameter(property = "buildhelper.addresource.skip", defaultValue = "false")
     private boolean skipAddResource;
 
+    /**
+     * If a resource directory does not exist, do not add it as a root.
+     *
+     * @since 3.5.0
+     */
+    @Parameter(property = "buildhelper.addresource.skipIfMissing", defaultValue = "false")
+    private boolean skipIfMissing;
+
     public void addResource(Resource resource) {
         getProject().addResource(resource);
         if (getLog().isDebugEnabled()) {
@@ -53,6 +61,10 @@ public void addResource(Resource resource) {
         }
     }
 
+    protected boolean isSkipIfMissing() {
+        return skipIfMissing;
+    }
+
     protected boolean isSkip() {
         return skipAddResource;
     }
diff --git a/src/main/java/org/codehaus/mojo/buildhelper/AddSourceMojo.java b/src/main/java/org/codehaus/mojo/buildhelper/AddSourceMojo.java
index f64081f7..fee48562 100644
--- a/src/main/java/org/codehaus/mojo/buildhelper/AddSourceMojo.java
+++ b/src/main/java/org/codehaus/mojo/buildhelper/AddSourceMojo.java
@@ -57,9 +57,9 @@ public class AddSourceMojo extends AbstractMojo {
     /**
      * If a directory does not exist, do not add it as a source root.
      *
-     * @since 3.4.1
+     * @since 3.5.0
      */
-    @Parameter(property = "skipIfMissing", defaultValue = "false")
+    @Parameter(property = "buildhelper.addsource.skipIfMissing", defaultValue = "false")
     private boolean skipIfMissing;
 
     /**
diff --git a/src/main/java/org/codehaus/mojo/buildhelper/AddTestResourceMojo.java b/src/main/java/org/codehaus/mojo/buildhelper/AddTestResourceMojo.java
index a1000caf..8e90b5ca 100644
--- a/src/main/java/org/codehaus/mojo/buildhelper/AddTestResourceMojo.java
+++ b/src/main/java/org/codehaus/mojo/buildhelper/AddTestResourceMojo.java
@@ -46,6 +46,14 @@ public class AddTestResourceMojo extends AbstractAddResourceMojo {
     @Parameter(property = "buildhelper.addtestresource.skip", defaultValue = "false")
     private boolean skipAddTestResource;
 
+    /**
+     * If a test resource directory does not exist, do not add it as a root.
+     *
+     * @since 3.5.0
+     */
+    @Parameter(property = "buildhelper.addtestresource.skipIfMissing", defaultValue = "false")
+    private boolean skipIfMissing;
+
     /**
      * Add the resource to the project.
      *
@@ -62,4 +70,8 @@ public void addResource(Resource resource) {
     protected boolean isSkip() {
         return skipAddTestResource;
     }
+
+    protected boolean isSkipIfMissing() {
+        return skipIfMissing;
+    }
 }
diff --git a/src/main/java/org/codehaus/mojo/buildhelper/AddTestSourceMojo.java b/src/main/java/org/codehaus/mojo/buildhelper/AddTestSourceMojo.java
index 8e18f987..0938841e 100644
--- a/src/main/java/org/codehaus/mojo/buildhelper/AddTestSourceMojo.java
+++ b/src/main/java/org/codehaus/mojo/buildhelper/AddTestSourceMojo.java
@@ -58,9 +58,9 @@ public class AddTestSourceMojo extends AbstractMojo {
     /**
      * If a directory does not exist, do not add it as a test source root.
      *
-     * @since 3.4.1
+     * @since 3.5.0
      */
-    @Parameter(property = "skipIfMissing", defaultValue = "false")
+    @Parameter(property = "buildhelper.addtestsource.skipIfMissing", defaultValue = "false")
     private boolean skipIfMissing;
 
     /**