diff --git a/libnuma.c b/libnuma.c
index 756a171..1d452a7 100644
--- a/libnuma.c
+++ b/libnuma.c
@@ -793,10 +793,10 @@ long long numa_node_size64(int node, long long *freep)
 
 make_internal_alias(numa_node_size64);
 
-long numa_node_size(int node, long *freep)
+long long numa_node_size(int node, long long *freep)
 {
 	long long f2;
-	long sz = numa_node_size64_int(node, &f2);
+	long long sz = numa_node_size64_int(node, &f2);
 	if (freep)
 		*freep = f2;
 	return sz;
diff --git a/numa.h b/numa.h
index 7316d1e..bd1d676 100644
--- a/numa.h
+++ b/numa.h
@@ -143,7 +143,7 @@ int numa_preferred(void);
 
 /* Return node size and free memory */
 long long numa_node_size64(int node, long long *freep);
-long numa_node_size(int node, long *freep);
+long long numa_node_size(int node, long long *freep);
 
 int numa_pagesize(void);
 
diff --git a/numademo.c b/numademo.c
index a720db0..8c56da8 100644
--- a/numademo.c
+++ b/numademo.c
@@ -301,7 +301,7 @@ int max_node, numnodes;
 int get_node_list(void)
 {
         int a, got_nodes = 0;
-        long free_node_sizes;
+        long long free_node_sizes;
 
         numnodes = numa_num_configured_nodes();
         node_to_use = (int *)malloc(numnodes * sizeof(int));