diff --git a/src/core/receiver/gnss_block_factory.cc b/src/core/receiver/gnss_block_factory.cc
index fac2d38d9..48ac9a567 100644
--- a/src/core/receiver/gnss_block_factory.cc
+++ b/src/core/receiver/gnss_block_factory.cc
@@ -279,6 +279,7 @@ std::unique_ptr<GNSSBlockInterface> GNSSBlockFactory::GetObservables(std::shared
     GPS_channels += configuration->property("Channels_2S.count", 0);
     GPS_channels += configuration->property("Channels_L5.count", 0);
     unsigned int Glonass_channels = configuration->property("Channels_1G.count", 0);
+    Glonass_channels += configuration->property("Channels_2G.count", 0);
     unsigned int extra_channels = 1;  // For monitor channel sample counter
     return GetBlock(configuration, "Observables", implementation,
         Galileo_channels +
@@ -302,6 +303,7 @@ std::unique_ptr<GNSSBlockInterface> GNSSBlockFactory::GetPVT(std::shared_ptr<Con
     GPS_channels += configuration->property("Channels_2S.count", 0);
     GPS_channels += configuration->property("Channels_L5.count", 0);
     unsigned int Glonass_channels = configuration->property("Channels_1G.count", 0);
+    Glonass_channels += configuration->property("Channels_2G.count", 0);
     return GetBlock(configuration, "PVT", implementation, Galileo_channels + GPS_channels + Glonass_channels, 0);
 }