diff --git a/tools/maven/plugin/src/main/java/org/teavm/maven/AbstractJavascriptMojo.java b/tools/maven/plugin/src/main/java/org/teavm/maven/AbstractJavascriptMojo.java
index cb43846e3..8863821ba 100644
--- a/tools/maven/plugin/src/main/java/org/teavm/maven/AbstractJavascriptMojo.java
+++ b/tools/maven/plugin/src/main/java/org/teavm/maven/AbstractJavascriptMojo.java
@@ -214,6 +214,11 @@ public abstract class AbstractJavascriptMojo extends AbstractMojo {
         lookup.setLocalRepository(localRepository);
         lookup.setRemoteRepositories(remoteRepositories);
         lookup.setPluginDependencies(pluginArtifacts);
-        return lookup.resolve();
+        List<SourceFileProvider> providers = lookup.resolve();
+        addSourceProviders(providers);
+        return providers;
+    }
+
+    protected void addSourceProviders(@SuppressWarnings("unused") List<SourceFileProvider> providers) {
     }
 }
diff --git a/tools/maven/plugin/src/main/java/org/teavm/maven/BuildJavascriptMojo.java b/tools/maven/plugin/src/main/java/org/teavm/maven/BuildJavascriptMojo.java
index 511dd0cb1..dbc1dac6d 100644
--- a/tools/maven/plugin/src/main/java/org/teavm/maven/BuildJavascriptMojo.java
+++ b/tools/maven/plugin/src/main/java/org/teavm/maven/BuildJavascriptMojo.java
@@ -17,6 +17,7 @@ package org.teavm.maven;
 
 import java.io.File;
 import java.util.Arrays;
+import java.util.List;
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.logging.Log;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
@@ -28,6 +29,8 @@ import org.teavm.tooling.MethodAlias;
 import org.teavm.tooling.RuntimeCopyOperation;
 import org.teavm.tooling.TeaVMTool;
 import org.teavm.tooling.TeaVMToolException;
+import org.teavm.tooling.sources.DirectorySourceFileProvider;
+import org.teavm.tooling.sources.SourceFileProvider;
 
 /**
  *
@@ -40,6 +43,9 @@ public class BuildJavascriptMojo extends AbstractJavascriptMojo {
     @Parameter(defaultValue = "${project.build.directory}/javascript")
     private File targetDirectory;
 
+    @Parameter(defaultValue = "${project.build.sourceDirectory}")
+    private File sourceDirectory;
+
     @Parameter
     private String targetFileName = "classes.js";
 
@@ -102,4 +108,9 @@ public class BuildJavascriptMojo extends AbstractJavascriptMojo {
             throw new MojoExecutionException("IO error occured", e);
         }
     }
+
+    @Override
+    protected void addSourceProviders(List<SourceFileProvider> providers) {
+        providers.add(new DirectorySourceFileProvider(sourceDirectory));
+    }
 }
diff --git a/tools/maven/plugin/src/main/java/org/teavm/maven/BuildJavascriptTestMojo.java b/tools/maven/plugin/src/main/java/org/teavm/maven/BuildJavascriptTestMojo.java
index 7d41f0ba8..ccc865863 100644
--- a/tools/maven/plugin/src/main/java/org/teavm/maven/BuildJavascriptTestMojo.java
+++ b/tools/maven/plugin/src/main/java/org/teavm/maven/BuildJavascriptTestMojo.java
@@ -43,6 +43,8 @@ import org.apache.maven.plugins.annotations.ResolutionScope;
 import org.teavm.testing.JUnitTestAdapter;
 import org.teavm.testing.TestAdapter;
 import org.teavm.tooling.TeaVMToolException;
+import org.teavm.tooling.sources.DirectorySourceFileProvider;
+import org.teavm.tooling.sources.SourceFileProvider;
 import org.teavm.tooling.testing.TeaVMTestTool;
 import org.teavm.tooling.testing.TestPlan;
 
@@ -60,6 +62,12 @@ public class BuildJavascriptTestMojo extends AbstractJavascriptMojo {
     @Parameter(defaultValue = "${project.build.directory}/javascript-test")
     private File targetDirectory;
 
+    @Parameter(defaultValue = "${project.build.sourceDirectory}")
+    private File sourceDirectory;
+
+    @Parameter(defaultValue = "${project.build.testSourceDirectory}")
+    private File testSourceDirectory;
+
     @Parameter(defaultValue = "${project.build.testOutputDirectory}")
     private File testFiles;
 
@@ -243,4 +251,10 @@ public class BuildJavascriptTestMojo extends AbstractJavascriptMojo {
     protected boolean isSupportedScope(String scope) {
         return testScopes.contains(scope);
     }
+
+    @Override
+    protected void addSourceProviders(List<SourceFileProvider> providers) {
+        providers.add(new DirectorySourceFileProvider(sourceDirectory));
+        providers.add(new DirectorySourceFileProvider(testSourceDirectory));
+    }
 }