1 files changed, 1 insertions, 1 deletions
diff --git a/output.h b/output.h
index dabb9425c5..ae6602351b 100644
--- a/output.h
+++ b/output.h
@@ -3,7 +3,7 @@
 
 #include "php.h"
 
-void zend_output_startup();
+PHPAPI void zend_output_startup();
 
 /* exported output functions */
 int (*zend_body_write)(const char *str, uint str_length);		/* string output */