diff --git a/src/backend/cgelem.c b/src/backend/cgelem.c
index 3a381c9a973b..d187f668bb6d 100644
--- a/src/backend/cgelem.c
+++ b/src/backend/cgelem.c
@@ -3511,7 +3511,7 @@ STATIC elem * eleq(elem *e, goal_t goal)
             e1->Eoper == OPvar &&
             e2->Eoper == OPvar &&
             goal == GOALnone &&
-            !tyfloating(e1->Ety)
+            !tyfloating(e1->Ety) && !tyvector(e1->Ety)
            )
         {
             tym_t ty = (REGSIZE == 8) ? TYllong : TYint;
diff --git a/test/compilable/test17215.d b/test/compilable/test17215.d
new file mode 100644
index 000000000000..047039e7681d
--- /dev/null
+++ b/test/compilable/test17215.d
@@ -0,0 +1,9 @@
+// REQUIRED_ARGS: -O
+version (X86_64):
+alias vec = __vector(int[4]);
+
+vec binop(vec a)
+{
+    vec b = a;
+    return b;
+}