diff --git a/porting/npl/riot/include/syscfg/syscfg.h b/porting/npl/riot/include/syscfg/syscfg.h
index c6d948e67..c4e8383e4 100644
--- a/porting/npl/riot/include/syscfg/syscfg.h
+++ b/porting/npl/riot/include/syscfg/syscfg.h
@@ -949,6 +949,10 @@
 #define MYNEWT_VAL_BASELIBC_ASSERT_FILE_LINE (0)
 #endif
 
+#ifndef MYNEWT_VAL_BASELIBC_DEBUG_MALLOC
+#define MYNEWT_VAL_BASELIBC_DEBUG_MALLOC (0)
+#endif
+
 #ifndef MYNEWT_VAL_BASELIBC_EXECUTE_GLOBAL_CONSTRUCTORS
 #define MYNEWT_VAL_BASELIBC_EXECUTE_GLOBAL_CONSTRUCTORS (1)
 #endif