diff --git a/include/haproxy/pool.h b/include/haproxy/pool.h
index 54ec93346..a7d77e4c6 100644
--- a/include/haproxy/pool.h
+++ b/include/haproxy/pool.h
@@ -63,6 +63,7 @@ struct pool_head *create_pool(char *name, unsigned int size, unsigned int flags)
 void create_pool_callback(struct pool_head **ptr, char *name, unsigned int size);
 void *pool_destroy(struct pool_head *pool);
 void pool_destroy_all();
+int mem_should_fail(const struct pool_head *pool);
 
 
 #ifdef CONFIG_HAP_POOLS
diff --git a/src/pool.c b/src/pool.c
index 88c579b6d..70095021a 100644
--- a/src/pool.c
+++ b/src/pool.c
@@ -38,7 +38,6 @@ int mem_poison_byte = -1;
 
 #ifdef DEBUG_FAIL_ALLOC
 static int mem_fail_rate = 0;
-static int mem_should_fail(const struct pool_head *);
 #endif
 
 /* Try to find an existing shared pool with the same characteristics and