diff --git a/sonar-project.properties b/sonar-project.properties
index 30e30567..d8aaf2cf 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -14,3 +14,10 @@ sonar.exclusions=test/
 
 # Encoding of the source code. Default is default system encoding
 sonar.sourceEncoding=UTF-8
+
+
+sonar.issue.ignore.multicriteria=m1
+# c:S5955 Loop variables should be declared in the minimal possible scope
+# Not possible in C89
+sonar.issue.ignore.multicriteria.m1.ruleKey=c:S5955
+sonar.issue.ignore.multicriteria.m1.resourceKey=**/*