@@ -31,5 +31,9 @@
 		"com.fasterxml.jackson.core:jackson-annotations:jar:2.5.0:compile",
 		"org.eclipse.lsp4j:org.eclipse.lsp4j.jsonrpc:jar:0.2.0-SNAPSHOT:compile"
 	],
+	"java.sourceDirectories": [
+		"src/main/java",
+		"src/test/java"
+	],
 	"java.home": "/Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home"
 }
@@ -491,7 +491,7 @@ Javadocs docs() {
 
     // TODO this function needs to be invoked whenever the user creates a new .java file outside the existing source root
     private void createCompiler() {
-        Set<Path> sourcePath = InferConfig.workspaceSourcePath(workspaceRoot);
+        Set<Path> sourcePath = settings.java.sourceDirectories.orElseGet(() -> InferConfig.workspaceSourcePath(workspaceRoot));
         Path userHome = Paths.get(System.getProperty("user.home"));
         Path mavenHome = userHome.resolve(".m2");
         Path gradleHome = userHome.resolve(".gradle");
 
@@ -1,14 +1,17 @@
 package org.javacs;
 
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
+import java.util.Set;
 
 public class JavaSettings {
     public Java java = new Java();
 
     public static class Java {
         public List<String> externalDependencies = new ArrayList<>();
+        public Optional<Set<Path>> sourceDirectories = Optional.empty();
         public Optional<String> javaHome = Optional.empty();
     }
 }