diff --git a/org/qmckl_memory.org b/org/qmckl_memory.org
index f2887c6..a83ab73 100644
--- a/org/qmckl_memory.org
+++ b/org/qmckl_memory.org
@@ -125,8 +125,8 @@ void* qmckl_malloc(qmckl_context context, const qmckl_memory_info_struct info) {
     /* If qmckl_memory_struct is full, reallocate a larger one */
     if (ctx->memory.n_allocated == ctx->memory.array_size) {
       const size_t old_size = ctx->memory.array_size;
-      qmckl_memory_info_struct * new_array = reallocarray(ctx->memory.element,
-                                                          2L * old_size,
+      qmckl_memory_info_struct * new_array = realloc(ctx->memory.element,
+                                                          2L * old_size *
                                                           sizeof(qmckl_memory_info_struct));
       if (new_array == NULL) {
         qmckl_unlock(context);