diff --git a/src/include/getline.h b/src/include/getline.h
index b030d7a1c..23d6f0424 100644
--- a/src/include/getline.h
+++ b/src/include/getline.h
@@ -1,6 +1,8 @@
 #ifndef _getline_h
 #define _getline_h
 
+#include <stdio.h>
+
 extern ssize_t getline(char **outbuf, size_t *outsize, FILE *fp);
 
 #endif