1 files changed, 1 insertions, 0 deletions
diff --git a/Src/zsh.h b/Src/zsh.h
index 8535d48fb..8e7f20b2c 100644
--- a/Src/zsh.h
+++ b/Src/zsh.h
@@ -1095,6 +1095,7 @@ struct execstack {
     pid_t cmdoutpid;
     int cmdoutval;
     int use_cmdoutval;
+    pid_t procsubstpid;
     int trap_return;
     int trap_state;
     int trapisfunc;