diff --git a/include/haproxy/activity-t.h b/include/haproxy/activity-t.h
index 9faeecdb3..82666d305 100644
--- a/include/haproxy/activity-t.h
+++ b/include/haproxy/activity-t.h
@@ -36,11 +36,6 @@
 
 
 #ifdef USE_MEMORY_PROFILING
-/* Elements used by memory profiling. This determines the number of buckets to
- * store stats.
- */
-#define MEMPROF_HASH_BITS 10
-#define MEMPROF_HASH_BUCKETS (1U << MEMPROF_HASH_BITS)
 
 enum memprof_method {
 	MEMPROF_METH_UNKNOWN = 0,
diff --git a/include/haproxy/defaults.h b/include/haproxy/defaults.h
index eda346aa2..73e8e0c92 100644
--- a/include/haproxy/defaults.h
+++ b/include/haproxy/defaults.h
@@ -547,6 +547,14 @@
 # define RING_DFLT_QUEUES   6
 #endif
 
+/* Elements used by memory profiling. This determines the number of buckets to
+ * store stats.
+ */
+#ifndef MEMPROF_HASH_BITS
+# define MEMPROF_HASH_BITS 10
+#endif
+#define MEMPROF_HASH_BUCKETS (1U << MEMPROF_HASH_BITS)
+
 /* Let's make DEBUG_STRICT default to 1 to get rid of it in the makefile */
 #ifndef DEBUG_STRICT
 # define DEBUG_STRICT 1