diff --git a/sonar-project.properties b/sonar-project.properties
index a4722ec8..2cfca4df 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -10,12 +10,16 @@ sonar.language=c++
 sonar.cxx.cppcheck.reportPath=cppcheck_report.xml
 
 # Declare list of ignore filters
-sonar.issue.ignore.multicriteria=noapiprograms,noapiprintf
+sonar.issue.ignore.multicriteria=noapiprograms,noapiprintf,noapikeycode
 
 # 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
+sonar.issue.ignore.multicriteria.noapiprintf.ruleKey=cxx:UndocumentedApi
+sonar.issue.ignore.multicriteria.noapiprintf.resourceKey=printf/include/printf_def.hpp
+
+# Ignore all undocumented API issues on keycode.hpp (no reason to document that)
+sonar.issue.ignore.multicriteria.noapikeycode.ruleKey=cxx:UndocumentedApi
+sonar.issue.ignore.multicriteria.noapikeycode.resourceKey=tlib/include/tlib/keycode.hpp