diff --git a/src/core/receiver/gnss_flowgraph.cc b/src/core/receiver/gnss_flowgraph.cc
index 7f9d28707..0f5def09c 100644
--- a/src/core/receiver/gnss_flowgraph.cc
+++ b/src/core/receiver/gnss_flowgraph.cc
@@ -578,7 +578,7 @@ void GNSSFlowgraph::set_signals_list()
              * Loop to create GPS L1 C/A signals
              */
             std::set<unsigned int> available_gps_prn = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
-                    11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28,
+                    11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
                     29, 30, 31, 32 };
 
             for (available_gnss_prn_iter = available_gps_prn.begin();