diff --git a/sonar-project.properties b/sonar-project.properties
index 60d0025f..da0aa18e 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -1 +1,4 @@
-sonar.projectKey=github-mirrors.splunk-firehose-nozzle
\ No newline at end of file
+sonar.projectKey=github-mirrors.splunk-firehose-nozzle
+sonar.c.file.suffixes=-
+sonar.cpp.file.suffixes=-
+sonar.objc.file.suffixes=-
\ No newline at end of file