diff --git a/sonar-project.properties b/sonar-project.properties
index 63c8a742..a4722ec8 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -10,8 +10,12 @@ sonar.language=c++
 sonar.cxx.cppcheck.reportPath=cppcheck_report.xml
 
 # Declare list of ignore filters
-sonar.issue.ignore.multicriteria=noapiprograms
+sonar.issue.ignore.multicriteria=noapiprograms,noapiprintf
 
 # Ignore all undocumented API issues on programs
 sonar.issue.ignore.multicriteria.noapiprograms.ruleKey=cxx:UndocumentedApi
 sonar.issue.ignore.multicriteria.noapiprograms.resourceKey=programs/**/*
+
+# Ignore all undocumented API issues on printf_def (for some reasons, Sonar is going crazy)
+sonar.issue.ignore.multicriteria.noapiprograms.ruleKey=cxx:UndocumentedApi
+sonar.issue.ignore.multicriteria.noapiprograms.resourceKey=printf/include/printf_def.hpp