diff --git a/sonar-project.properties b/sonar-project.properties
index 3149ca8fa3..b24cb1d00b 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -8,7 +8,8 @@ sonar.projectVersion=1.0
 # Path is relative to the sonar-project.properties file. Replace "\" by "/" on Windows.
 sonar.sources=.
 
-sonar.exclusions=docs/**
+# Exclude docs and testdata with kustomization files (Sonar IaC parser fails on empty/edge-case YAML)
+sonar.exclusions=docs/**,**/testdata/**
  
 # Encoding of the source code. Default is default system encoding
 sonar.sourceEncoding=UTF-8