diff --git a/chapi-application/src/main/kotlin/chapi/app/analyser/filter/FileFilter.kt b/chapi-application/src/main/kotlin/chapi/app/analyser/filter/FileFilter.kt
index a7a79bad..4502d0db 100644
--- a/chapi-application/src/main/kotlin/chapi/app/analyser/filter/FileFilter.kt
+++ b/chapi-application/src/main/kotlin/chapi/app/analyser/filter/FileFilter.kt
@@ -2,6 +2,7 @@ package chapi.app.analyser.filter
 
 import chapi.app.analyser.config.ChapiConfig
 import chapi.app.analyser.config.Language
+import java.io.File
 
 open class FileFilter {
     companion object {
@@ -10,6 +11,10 @@ open class FileFilter {
                 return config.filterRule.toRegex().matches(path)
             }
 
+            if (!File(path).isFile) {
+                return false;
+            }
+
             return when (config.language) {
                 "java" -> {
                     path.endsWith(".java")