diff --git a/src/core/receiver/gnss_flowgraph.cc b/src/core/receiver/gnss_flowgraph.cc
index 064c6c400..e720b3047 100644
--- a/src/core/receiver/gnss_flowgraph.cc
+++ b/src/core/receiver/gnss_flowgraph.cc
@@ -560,7 +560,7 @@ void GNSSFlowgraph::set_signals_list()
      * Loop to create the list of Galileo E1 B signals
      */
 
-    std::set<unsigned int> available_galileo_prn = { 11, 12 };
+    std::set<unsigned int> available_galileo_prn = { 11, 12 ,19, 20 };
 
 
     for (available_gnss_prn_iter = available_galileo_prn.begin(); available_gnss_prn_iter
diff --git a/src/core/system_parameters/gnss_satellite.cc b/src/core/system_parameters/gnss_satellite.cc
index d25ec1c90..54fd0ab95 100644
--- a/src/core/system_parameters/gnss_satellite.cc
+++ b/src/core/system_parameters/gnss_satellite.cc
@@ -190,6 +190,14 @@ void Gnss_Satellite::set_PRN(unsigned int PRN_)
                     {
                         PRN = 12;
                     }
+                else if (PRN_ == 19)
+                    {
+                        PRN = 19;
+                    }
+                else if (PRN_ == 20)
+                    {
+                        PRN = 20;
+                    }
                 else
                     {
                         DLOG(INFO) << "This PRN is not defined";