1 files changed, 4 insertions, 2 deletions

diff --git a/shell/ash.c b/shell/ash.c
index d82eba15f..ed1a4416c 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -12467,10 +12467,12 @@ parsesub: {
                         pungetc();
                 }
 
-                if (newsyn == ARISYNTAX && subtype > VSNORMAL)
+                if (newsyn == ARISYNTAX)
                         newsyn = DQSYNTAX;
 
-                if (newsyn != synstack->syntax) {
+                if ((newsyn != synstack->syntax || synstack->innerdq)
+                 && subtype != VSNORMAL
+                ) {
                         synstack_push(&synstack,
                                 synstack->prev ?: alloca(sizeof(*synstack)),
                                 newsyn);