diff --git a/include/jemalloc/internal/private_namespace.h b/include/jemalloc/internal/private_namespace.h
index a2171ed2..b1e8330e 100644
--- a/include/jemalloc/internal/private_namespace.h
+++ b/include/jemalloc/internal/private_namespace.h
@@ -1,3 +1,6 @@
+#define	a0calloc JEMALLOC_N(a0calloc)
+#define	a0free JEMALLOC_N(a0free)
+#define	a0malloc JEMALLOC_N(a0malloc)
 #define	arena_alloc_junk_small JEMALLOC_N(arena_alloc_junk_small)
 #define	arena_bin_index JEMALLOC_N(arena_bin_index)
 #define	arena_boot JEMALLOC_N(arena_boot)
diff --git a/src/jemalloc.c b/src/jemalloc.c
index d4b681b4..6669c110 100644
--- a/src/jemalloc.c
+++ b/src/jemalloc.c
@@ -1621,6 +1621,7 @@ je_nallocm(size_t *rsize, size_t size, int flags)
 void
 jemalloc_prefork(void)
 #else
+JEMALLOC_ATTR(visibility("default"))
 void
 _malloc_prefork(void)
 #endif
@@ -1642,6 +1643,7 @@ _malloc_prefork(void)
 void
 jemalloc_postfork_parent(void)
 #else
+JEMALLOC_ATTR(visibility("default"))
 void
 _malloc_postfork(void)
 #endif
diff --git a/src/tsd.c b/src/tsd.c
index 0838dc86..f63493d3 100644
--- a/src/tsd.c
+++ b/src/tsd.c
@@ -32,6 +32,7 @@ malloc_tsd_no_cleanup(void *arg)
 }
 
 #ifdef JEMALLOC_MALLOC_THREAD_CLEANUP
+JEMALLOC_ATTR(visibility("default"))
 void
 _malloc_thread_cleanup(void)
 {