diff --git a/cbackend.cpp b/cbackend.cpp
index 40539dfe..086f1d5a 100644
--- a/cbackend.cpp
+++ b/cbackend.cpp
@@ -16,6 +16,8 @@
 
 #ifndef _MSC_VER
 #include <inttypes.h>
+#define HAVE_PRINTF_A  1
+#define ENABLE_CBE_PRINTF_A 1
 #endif
 
 #ifndef PRIx64