diff --git a/src/wrapsurvexport.c b/src/wrapsurvexport.c
index 69754109..432a2aa2 100644
--- a/src/wrapsurvexport.c
+++ b/src/wrapsurvexport.c
@@ -19,6 +19,7 @@
  */
 
 #include <process.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>