diff --git a/src/algorithms/observables/gnuradio_blocks/gps_l1_ca_observables_cc.cc b/src/algorithms/observables/gnuradio_blocks/gps_l1_ca_observables_cc.cc
index cad5c9774..935e9fb20 100644
--- a/src/algorithms/observables/gnuradio_blocks/gps_l1_ca_observables_cc.cc
+++ b/src/algorithms/observables/gnuradio_blocks/gps_l1_ca_observables_cc.cc
@@ -166,7 +166,7 @@ int gps_l1_ca_observables_cc::general_work (int noutput_items, gr_vector_int &ni
                     else
                         {
                             //clearQueue(d_history_prn_delay_ms[i]); //clear the queue as the preamble arrives
-                            d_history_gnss_synchro_deque[i].pop_back();Ä
+                            d_history_gnss_synchro_deque[i].pop_back();
                             d_history_gnss_synchro_deque[i].push_front(current_gnss_synchro[i]);
                         }
                 }