diff --git a/src/interfaces/ecpg/preproc/ecpg.c b/src/interfaces/ecpg/preproc/ecpg.c
index a87c779f0addf165efc9ad0809d9625d6bcba180..21b2bc34f0296ebc3f51b946d2f3a85876f0382d 100644
--- a/src/interfaces/ecpg/preproc/ecpg.c
+++ b/src/interfaces/ecpg/preproc/ecpg.c
@@ -11,10 +11,12 @@
 
 #include "extern.h"
 
-struct _include_path *include_paths;
 int		ret_value = OK, autocommit = 0;
+struct _include_path *include_paths = NULL;
 struct cursor *cur = NULL;
 struct typedefs *types = NULL;
+struct _defines *defines = NULL;
+
 
 static void
 usage(char *progname)