diff --git a/Makefile b/Makefile
index 35f2d9fad2..8e6f9a7aca 100644
--- a/Makefile
+++ b/Makefile
@@ -23,6 +23,10 @@ endif
 
 include Makefile.common
 
+ifeq ($(shell $(CC) -v 2>&1 | grep -c "clang"),1)
+   DEFINES +=  -Wno-invalid-source-encoding
+endif
+
 HEADERS = $(wildcard */*/*.h) $(wildcard */*.h) $(wildcard *.h)
 
 ifeq ($(HAVE_DYLIB), 1)