diff --git a/pjlib/include/pj/errno.h b/pjlib/include/pj/errno.h
index 8b5906c..5744a75 100644
--- a/pjlib/include/pj/errno.h
+++ b/pjlib/include/pj/errno.h
@@ -285,6 +285,11 @@
  * Size is too big.
  */
 #define PJ_ETOOBIG	    (PJ_ERRNO_START_STATUS + 17)/* 70017 */
+/**
+ * @hideinitializer
+ * Error in gethostbyname()
+ */
+#define PJ_ERESOLVE	    (PJ_ERRNO_START_STATUS + 18)/* 70018 */
 
 
 /** @} */   /* pj_errnum */
diff --git a/pjlib/src/pj/addr_resolv_sock.c b/pjlib/src/pj/addr_resolv_sock.c
index 36c1c57..af3d40c 100644
--- a/pjlib/src/pj/addr_resolv_sock.c
+++ b/pjlib/src/pj/addr_resolv_sock.c
@@ -38,7 +38,7 @@
 
     he = gethostbyname(copy);
     if (!he)
-	return PJ_RETURN_OS_ERROR(pj_get_native_netos_error());
+	return PJ_ERESOLVE;
 
     phe->h_name = he->h_name;
     phe->h_aliases = he->h_aliases;
diff --git a/pjlib/src/pj/errno.c b/pjlib/src/pj/errno.c
index da06f99..b3a9b32 100644
--- a/pjlib/src/pj/errno.c
+++ b/pjlib/src/pj/errno.c
@@ -64,6 +64,7 @@
     PJ_BUILD_ERR(PJ_EEXISTS,       "Object already exists" ),
     PJ_BUILD_ERR(PJ_EEOF,	   "End of file" ),
     PJ_BUILD_ERR(PJ_ETOOBIG,	   "Size is too big"),
+    PJ_BUILD_ERR(PJ_ERESOLVE,	   "gethostbyname() has returned error"),
 };
 #endif	/* PJ_HAS_ERROR_STRING */