diff --git a/include/libunwind_i.h b/include/libunwind_i.h
index 5ad817f..70a94f1 100644
--- a/include/libunwind_i.h
+++ b/include/libunwind_i.h
@@ -142,7 +142,7 @@ static inline void mark_as_used(void *v UNUSED) {
 #endif
 #define GET_MEMORY(mem, size, type)				    		    \
 do {									    \
-  mem = malloc(size, type, M_WAITOK)					\
+  mem = malloc(size, type, M_WAITOK);					\
 } while (0)
 
 #define unwi_find_dynamic_proc_info	UNWI_OBJ(find_dynamic_proc_info)
diff --git a/mempool.c b/mempool.c
index e6422a7..53652ee 100644
--- a/mempool.c
+++ b/mempool.c
@@ -125,7 +125,7 @@ HIDDEN void
 mempool_init (struct mempool *pool, size_t obj_size, size_t reserve)
 {
   if (pg_size == 0)
-    pg_size = getpagesize ();
+    pg_size = PAGE_SIZE;
 
   memset (pool, 0, sizeof (*pool));