diff --git a/src/core/receiver/gnss_block_factory.cc b/src/core/receiver/gnss_block_factory.cc
index 7db6ddd95..39557a0a9 100644
--- a/src/core/receiver/gnss_block_factory.cc
+++ b/src/core/receiver/gnss_block_factory.cc
@@ -229,7 +229,8 @@ std::unique_ptr<GNSSBlockInterface> GNSSBlockFactory::GetObservables(std::shared
     Galileo_channels += configuration->property("Channels_5X.count", 0);
     unsigned int GPS_channels = configuration->property("Channels_1C.count", 0);
     GPS_channels += configuration->property("Channels_2S.count", 0);
-    return GetBlock(configuration, "Observables", implementation, Galileo_channels + GPS_channels, Galileo_channels + GPS_channels);
+    unsigned int Glonass_channels = configuration->property("Channels_1G.count", 0);
+    return GetBlock(configuration, "Observables", implementation, Galileo_channels + GPS_channels + Glonass_channels, Galileo_channels + GPS_channels + Glonass_channels);
 }
 
 
@@ -243,7 +244,8 @@ std::unique_ptr<GNSSBlockInterface> GNSSBlockFactory::GetPVT(std::shared_ptr<Con
     Galileo_channels += configuration->property("Channels_5X.count", 0);
     unsigned int GPS_channels = configuration->property("Channels_1C.count", 0);
     GPS_channels += configuration->property("Channels_2S.count", 0);
-    return GetBlock(configuration, "PVT", implementation, Galileo_channels + GPS_channels, 0);
+    unsigned int Glonass_channels = configuration->property("Channels_1G.count", 0);
+    return GetBlock(configuration, "PVT", implementation, Galileo_channels + GPS_channels + Glonass_channels, 0);
 }