diff --git a/src/obierrno.c b/src/obierrno.c
index 06eb768b942842f3d165f0d2973baf4331a09b3f..0e2827f94d9ae88355cec4d18a170c052efcb520 100644
--- a/src/obierrno.c
+++ b/src/obierrno.c
@@ -10,5 +10,5 @@
  */
 
 
-int obi_errno;
+int obi_errno = 0;