diff --git a/src/obierrno.c b/src/obierrno.c
index 06eb768..0e2827f 100644
--- a/src/obierrno.c
+++ b/src/obierrno.c
@@ -10,5 +10,5 @@
  */
 
 
-int obi_errno;
+int obi_errno = 0;