diff --git a/src/prod_cons.h b/src/prod_cons.h
index 56a3992..5e075a9 100644
--- a/src/prod_cons.h
+++ b/src/prod_cons.h
@@ -197,8 +197,8 @@ struct prod_cons_impl<wr<relat::single, relat::multi, trans::broadcast>> {
             el = elems + circ::index_of(wt_.load(std::memory_order_acquire));
             // check all consumers have finished reading this element
             auto cur_rc = el->rc_.load(std::memory_order_acquire);
-            if (cur_rc) {
-                return false; // not reading finished yet
+            if (cc & cur_rc) {
+                return false; // has not finished yet
             }
             // cur_rc should be 0 here
             if (el->rc_.compare_exchange_weak(
@@ -221,7 +221,7 @@ struct prod_cons_impl<wr<relat::single, relat::multi, trans::broadcast>> {
             el = elems + circ::index_of(wt_.load(std::memory_order_acquire));
             // check all consumers have finished reading this element
             auto cur_rc = el->rc_.load(std::memory_order_acquire);
-            if (cur_rc) {
+            if (cc & cur_rc) {
                 ipc::log("force_push: k = %d, cc = %d, rem_cc = %d\n", k, cc, cur_rc);
                 cc = wrapper->elems()->disconnect(cur_rc); // disconnect all remained readers
                 if (cc == 0) return false; // no reader
@@ -292,8 +292,8 @@ struct prod_cons_impl<wr<relat::multi , relat::multi, trans::broadcast>> {
             el = elems + circ::index_of(cur_ct = ct_.load(std::memory_order_relaxed));
             // check all consumers have finished reading this element
             auto cur_rc = el->rc_.load(std::memory_order_acquire);
-            if (cur_rc & rc_mask) {
-                return false; // not reading finished yet
+            if (cc & (cur_rc & rc_mask)) {
+                return false; // has not finished yet
             }
             auto cur_fl = el->f_ct_.load(std::memory_order_acquire);
             if ((cur_fl != cur_ct) && cur_fl) {
@@ -325,7 +325,7 @@ struct prod_cons_impl<wr<relat::multi , relat::multi, trans::broadcast>> {
             // check all consumers have finished reading this element
             auto cur_rc = el->rc_.load(std::memory_order_acquire);
             circ::cc_t rem_cc = cur_rc & rc_mask;
-            if (rem_cc) {
+            if (cc & rem_cc) {
                 ipc::log("force_push: k = %d, cc = %d, rem_cc = %d\n", k, cc, rem_cc);
                 cc = wrapper->elems()->disconnect(rem_cc); // disconnect all remained readers
                 if (cc == 0) return false; // no reader