diff --git a/src/main/java/com/widen/versioning/VersioningPlugin.java b/src/main/java/com/widen/versioning/VersioningPlugin.java
index 2129ec7..b5cfee9 100644
--- a/src/main/java/com/widen/versioning/VersioningPlugin.java
+++ b/src/main/java/com/widen/versioning/VersioningPlugin.java
@@ -17,7 +17,7 @@ public void apply(final Project project) {
 
         // Defer setting the version until after the build script is evaluated.
         project.afterEvaluate(p -> {
-            String version = VersionGenerator.generateFromGit(settings, p.getProjectDir());
+            String version = VersionGenerator.generateFromGit(settings, p.getRootProject().getProjectDir());
             if (version != null) {
                 p.setVersion(version);
             }