diff --git a/src/cryptonote_core/blockchain.cpp b/src/cryptonote_core/blockchain.cpp
index c1923017..70cbaf0f 100644
--- a/src/cryptonote_core/blockchain.cpp
+++ b/src/cryptonote_core/blockchain.cpp
@@ -2143,6 +2143,7 @@ bool Blockchain::check_tx_inputs(const transaction& tx, tx_verification_context
         if(ioservice_active) \
         { \
             work.reset(); \
+            while (!ioservice.stopped()) ioservice.poll(); \
             threadpool.join_all(); \
             ioservice.stop(); \
             ioservice_active = false; \
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 5de300ec..14da8d7a 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -73,6 +73,7 @@ using namespace cryptonote;
 #define KILL_IOSERVICE()  \
     do { \
       work.reset(); \
+      while (!ioservice.stopped()) ioservice.poll(); \
       threadpool.join_all(); \
       ioservice.stop(); \
     } while(0)