diff --git a/include/lib/mpack/mpack.h b/include/lib/mpack/mpack.h
index 4fc0d13e2f04486b713bfc73a36554949b679d83..96014d4caf2a9b2bf0e9e445c0a3c9852c4123ce 100644
--- a/include/lib/mpack/mpack.h
+++ b/include/lib/mpack/mpack.h
@@ -144,7 +144,13 @@
  * for debugging and in allocation helpers.
  */
 #ifndef MPACK_STDLIB
+#if defined(MULTIPASS_ARCH_msp430fr5969lp) || \
+    defined(MULTIPASS_ARCH_arduino_nano) || defined(MULTIPASS_ARCH_blinkenrocket) || \
+    defined(MULTIPASS_ARCH_esp8266)
 #define MPACK_STDLIB 0
+#else
+#define MPACK_STDLIB 1
+#endif
 #endif
 
 /**
@@ -154,7 +160,13 @@
  * reading/writing C files and makes debugging easier.
  */
 #ifndef MPACK_STDIO
+#if defined(MULTIPASS_ARCH_msp430fr5969lp) || \
+    defined(MULTIPASS_ARCH_arduino_nano) || defined(MULTIPASS_ARCH_blinkenrocket) || \
+    defined(MULTIPASS_ARCH_esp8266)
 #define MPACK_STDIO 0
+#else
+#define MPACK_STDIO 1
+#endif
 #endif
 
 /**