diff --git a/tests/misra/suppressions.txt b/tests/misra/suppressions.txt
index 3e598f54..27a2cd7a 100644
--- a/tests/misra/suppressions.txt
+++ b/tests/misra/suppressions.txt
@@ -1,2 +1,4 @@
 # Advisory: union types can be used
 misra.19.2
+# FIXME: add it back when fixed in cppcheck. Macro identifiers are unique but it false triggers on defines in #ifdef..#else conditions
+misra.5.4