diff --git a/Makefile b/Makefile
index ea4062bcf..fd3299744 100644
--- a/Makefile
+++ b/Makefile
@@ -80,7 +80,7 @@ ifeq ($(CXX), clang++)
     CPPCHK_GLIBCXX_DEBUG=
 endif
 ifndef CXXFLAGS
-    CXXFLAGS=-include lib/cxx11emu.h -pedantic -Wall -Wextra -Wabi -Wcast-qual -Wfloat-equal -Winline -Wmissing-declarations -Wmissing-format-attribute -Wno-long-long -Wpacked -Wredundant-decls -Wshadow -Wsign-promo -Wno-missing-field-initializers -Wno-missing-braces -Wno-sign-compare $(CPPCHK_GLIBCXX_DEBUG) -g
+    CXXFLAGS=-include lib/cxx11emu.h -pedantic -Wall -Wextra -Wabi -Wcast-qual -Wfloat-equal -Winline -Wmissing-declarations -Wmissing-format-attribute -Wno-long-long -Wpacked -Wredundant-decls -Wshadow -Wsign-promo -Wno-missing-field-initializers -Wno-missing-braces -Wno-sign-compare -Wno-multichar $(CPPCHK_GLIBCXX_DEBUG) -g
 endif
 
 ifeq ($(CXX), g++)
diff --git a/tools/dmake.cpp b/tools/dmake.cpp
index 414a2af6a..c07870a70 100644
--- a/tools/dmake.cpp
+++ b/tools/dmake.cpp
@@ -351,6 +351,7 @@ int main(int argc, char **argv)
                                 "-Wno-missing-braces "
 //                                "-Wunreachable-code "
                                 "-Wno-sign-compare "  // danmar: I don't like this warning, it's very rarelly a bug
+                                "-Wno-multichar "
                                 "$(CPPCHK_GLIBCXX_DEBUG) "
                                 "-g");
     }