diff --git a/lib/autotest/general.m4 b/lib/autotest/general.m4
index e50f0f8..d4fd15c 100644
--- a/lib/autotest/general.m4
+++ b/lib/autotest/general.m4
@@ -880,6 +880,7 @@ emit == 0 && /address@hidden:@AT_START_/ {
 }
 emit != 0 && /address@hidden:@AT_STOP_/ {
   print "_AT_T_EOF"
+  if (test == '$at_group') exit
   emit = 0
 }
 emit != 0 { print }