diff --git a/sonar-project.properties b/sonar-project.properties
index 42f7d1e903..8ebb62df5f 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -12,3 +12,7 @@ sonar.organization=nymtech
 
 # Encoding of the source code. Default is default system encoding
 #sonar.sourceEncoding=UTF-8
+
+sonar.c.file.suffixes=-
+sonar.cpp.file.suffixes=-
+sonar.objc.file.suffixes=-