diff --git a/src/main/groovy/nebula/plugin/info/scm/GitScmProvider.groovy b/src/main/groovy/nebula/plugin/info/scm/GitScmProvider.groovy
index d1aa61d..46f3176 100644
--- a/src/main/groovy/nebula/plugin/info/scm/GitScmProvider.groovy
+++ b/src/main/groovy/nebula/plugin/info/scm/GitScmProvider.groovy
@@ -51,6 +51,9 @@ class GitScmProvider extends AbstractScmProvider {
     @Override
     String calculateModuleSource(File projectDir) {
         String gitWorkDir = executeGitCommand("git", "rev-parse", "--show-toplevel")
+        if(!gitWorkDir) {
+            return projectDir.absolutePath
+        }
         return projectDir.absolutePath - new File(gitWorkDir).absolutePath
     }