diff --git a/makefile b/makefile
index e291721..5d708a5 100644
--- a/makefile
+++ b/makefile
@@ -22,7 +22,7 @@ clean:
 	rm -f looper integration_test src/*.o
 
 check:
-	cppcheck --enable=all --error-exitcode=1 --suppress=unreadVariable src/*.c --library=posix .
+	cppcheck --enable=all --error-exitcode=1 --suppress=unreadVariable --suppress=missingIncludeSystem --suppress=usleepCalled --suppress=normalCheckLevelMaxBranches src/*.c --library=posix .
 
 # Optional: Format code using clang-format
 format: