diff --git a/lib/memory_mosq.h b/lib/memory_mosq.h
index 78332a67..d730d48e 100644
--- a/lib/memory_mosq.h
+++ b/lib/memory_mosq.h
@@ -20,7 +20,7 @@ Contributors:
 #include <stdio.h>
 #include <sys/types.h>
 
-#if defined(WITH_MEMORY_TRACKING) && defined(WITH_BROKER) && !defined(WIN32) && !defined(__SYMBIAN32__) && !defined(__ANDROID__)
+#if defined(WITH_MEMORY_TRACKING) && defined(WITH_BROKER) && !defined(WIN32) && !defined(__SYMBIAN32__) && !defined(__ANDROID__) && !defined(__UCLIBC__)
 #define REAL_WITH_MEMORY_TRACKING
 #endif