diff --git a/runtime/vm/compiler/backend/inliner.cc b/runtime/vm/compiler/backend/inliner.cc
index f738360..c6259ac 100644
--- a/runtime/vm/compiler/backend/inliner.cc
+++ b/runtime/vm/compiler/backend/inliner.cc
@@ -2774,7 +2774,7 @@
   // For Dart2, both issues are resolved in the inlined code.
   if (array_cid == kDynamicCid) {
     ASSERT(call->IsStaticCall());
-    if (flow_graph->isolate()->can_use_strong_mode_types()) {
+    if (!flow_graph->isolate()->can_use_strong_mode_types()) {
       return false;
     }
   }