diff --git a/src/main/java/org/apache/maven/shared/filtering/DefaultMavenResourcesFiltering.java b/src/main/java/org/apache/maven/shared/filtering/DefaultMavenResourcesFiltering.java
index f5a5cd6..3713d7c 100644
--- a/src/main/java/org/apache/maven/shared/filtering/DefaultMavenResourcesFiltering.java
+++ b/src/main/java/org/apache/maven/shared/filtering/DefaultMavenResourcesFiltering.java
@@ -37,6 +37,7 @@
 import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.io.IOUtils;
 import org.apache.maven.model.Resource;
+import org.codehaus.plexus.util.DirectoryScanner;
 import org.codehaus.plexus.util.Scanner;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -189,8 +190,7 @@ public void filterResources(MavenResourcesExecution mavenResourcesExecution) thr
             // as destination
             // see MNG-1345
             File outputDirectory = mavenResourcesExecution.getOutputDirectory();
-            boolean outputExists = outputDirectory.exists();
-            if (!outputExists && !outputDirectory.mkdirs()) {
+            if (!outputDirectory.mkdirs() && !outputDirectory.exists()) {
                 throw new MavenFilteringException("Cannot create resource output directory: " + outputDirectory);
             }
 
@@ -198,11 +198,36 @@ public void filterResources(MavenResourcesExecution mavenResourcesExecution) thr
                 isFilteringUsed = true;
             }
 
-            boolean ignoreDelta = !outputExists
-                    || buildContext.hasDelta(mavenResourcesExecution.getFileFilters())
-                    || buildContext.hasDelta(getRelativeOutputDirectory(mavenResourcesExecution));
-            LOGGER.debug("ignoreDelta " + ignoreDelta);
-            Scanner scanner = buildContext.newScanner(resourceDirectory, ignoreDelta);
+            boolean filtersFileChanged = buildContext.hasDelta(mavenResourcesExecution.getFileFilters());
+            Path resourcePath = resourceDirectory.toPath();
+            DirectoryScanner scanner = new DirectoryScanner() {
+                @Override
+                protected boolean isSelected(String name, File file) {
+                    if (filtersFileChanged) {
+                        // if the file filters file has a change we must assume everything is out of
+                        // date
+                        return true;
+                    }
+                    if (file.isFile()) {
+                        try {
+                            File targetFile = getTargetFile(file);
+                            if (targetFile.isFile() && buildContext.isUptodate(targetFile, file)) {
+                                return false;
+                            }
+                        } catch (MavenFilteringException e) {
+                            // can't really do anything than to assume we must copy the file...
+                        }
+                    }
+                    return true;
+                }
+
+                private File getTargetFile(File file) throws MavenFilteringException {
+                    Path relativize = resourcePath.relativize(file.toPath());
+                    return getDestinationFile(
+                            outputDirectory, targetPath, relativize.toString(), mavenResourcesExecution);
+                }
+            };
+            scanner.setBasedir(resourceDirectory);
 
             setupScanner(resource, scanner, mavenResourcesExecution.isAddDefaultExcludes());
 
@@ -276,13 +301,13 @@ public void filterResources(MavenResourcesExecution mavenResourcesExecution) thr
 
             // deal with deleted source files
 
-            scanner = buildContext.newDeleteScanner(resourceDirectory);
+            Scanner deleteScanner = buildContext.newDeleteScanner(resourceDirectory);
 
-            setupScanner(resource, scanner, mavenResourcesExecution.isAddDefaultExcludes());
+            setupScanner(resource, deleteScanner, mavenResourcesExecution.isAddDefaultExcludes());
 
-            scanner.scan();
+            deleteScanner.scan();
 
-            for (String name : scanner.getIncludedFiles()) {
+            for (String name : deleteScanner.getIncludedFiles()) {
                 File destinationFile = getDestinationFile(outputDirectory, targetPath, name, mavenResourcesExecution);
 
                 destinationFile.delete();
diff --git a/src/test/java/org/apache/maven/shared/filtering/IncrementalResourceFilteringTest.java b/src/test/java/org/apache/maven/shared/filtering/IncrementalResourceFilteringTest.java
index 0e6a5e9..5a66553 100644
--- a/src/test/java/org/apache/maven/shared/filtering/IncrementalResourceFilteringTest.java
+++ b/src/test/java/org/apache/maven/shared/filtering/IncrementalResourceFilteringTest.java
@@ -124,6 +124,55 @@ public void testFilterChange() throws Exception {
         assertTrue(ctx.getRefreshFiles().contains(outputFile02));
     }
 
+    /**
+     * Check that missing targets are rebuilt even if source is not changed (MSHARED-1285)
+     */
+    public void testMissingTarget() throws Exception {
+        // run full build first
+        filter("time");
+
+        // erase target files
+        outputFile01.toFile().delete();
+        outputFile02.toFile().delete();
+        // report change only on one file
+        Set<Path> changedFiles = new HashSet<>();
+        changedFiles.add(inputFile01);
+        TestIncrementalBuildContext ctx = new TestIncrementalBuildContext(baseDirectory, changedFiles);
+        ThreadBuildContext.setThreadBuildContext(ctx);
+
+        filter("time");
+
+        assertTrue(ctx.getRefreshFiles().contains(outputFile01));
+        assertTrue(ctx.getRefreshFiles().contains(outputFile02));
+        assertTrue(outputFile01.toFile().exists());
+        assertTrue(outputFile02.toFile().exists());
+    }
+
+    /**
+     * Check that updated targets with unchanged sources are updated (MSHARED-1285)
+     */
+    public void testUpdatedTarget() throws Exception {
+        // run full build first
+        filter("time");
+
+        // touch target file02
+        FileUtils.touch(outputFile02.toFile());
+        Set<Path> changedFiles = new HashSet<>();
+        changedFiles.add(inputFile01);
+        // report change only on target file
+        changedFiles.add(outputFile02);
+        TestIncrementalBuildContext ctx = new TestIncrementalBuildContext(baseDirectory, changedFiles);
+        ThreadBuildContext.setThreadBuildContext(ctx);
+
+        // both files are updated
+        filter("notime");
+        assertTime("notime", "file01.txt");
+        assertTime("notime", "file02.txt");
+
+        assertTrue(ctx.getRefreshFiles().contains(outputFile01));
+        assertTrue(ctx.getRefreshFiles().contains(outputFile02));
+    }
+
     public void testFilterDeleted() throws Exception {
         // run full build first
         filter("time");