1 files changed, 1 insertions, 0 deletions

diff --git a/src/node.c b/src/node.c
index 5ade56a..0a21956 100644
--- a/src/node.c
+++ b/src/node.c
@@ -15,6 +15,7 @@
 */
 
 #include <math.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>