diff --git a/sonar-project.properties b/sonar-project.properties
index f707b3819..30fc27a96 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -25,4 +25,4 @@ sonar.issue.ignore.multicriteria.c2.resourceKey=**/*.c
 
 # Make sure that using this pseudorandom number generator "rand" is safe here
 sonar.issue.ignore.multicriteria.c3.ruleKey=c:S2245
-sonar.issue.ignore.multicriteria.c4.resourceKey=**/*.c
+sonar.issue.ignore.multicriteria.c3.resourceKey=**/*.c