diff --git a/src/main/scala/com/buransky/plugins/scoverage/pathcleaner/BruteForceSequenceMatcher.scala b/src/main/scala/com/buransky/plugins/scoverage/pathcleaner/BruteForceSequenceMatcher.scala
index dea6f4a..458e4e8 100644
--- a/src/main/scala/com/buransky/plugins/scoverage/pathcleaner/BruteForceSequenceMatcher.scala
+++ b/src/main/scala/com/buransky/plugins/scoverage/pathcleaner/BruteForceSequenceMatcher.scala
@@ -70,8 +70,10 @@ class BruteForceSequenceMatcher(baseDir: File, sourcePath: String) extends PathS
   // mock able helpers that allow us to remove the dependency to the real file system during tests
 
   private[pathcleaner] def initSourceDir(): File = {
-    val sourceDir = new File(baseDir, sourcePath)
-    sourceDir
+    sourcePath.split(",").headOption.map { first =>
+      val sourceDir = new File(baseDir, first)
+      sourceDir
+    }.getOrElse(null)
   }
 
   private[pathcleaner] def initFilesMap(): Map[String, Seq[PathSeq]] = {