diff --git a/src/core/system_parameters/galileo_inav_message.h b/src/core/system_parameters/galileo_inav_message.h
index 94a994805..f60c884d5 100644
--- a/src/core/system_parameters/galileo_inav_message.h
+++ b/src/core/system_parameters/galileo_inav_message.h
@@ -131,6 +131,11 @@ public:
      */
     Galileo_Ephemeris get_reduced_ced() const;
 
+    /*
+     * \brief Returns a Galileo_ISMs object filled with the latest ISM data received
+     */
+    Galileo_ISM get_galileo_ism() const;
+
     /*
      * \brief Returns an OSNMA_msg object filled with the latest NMA message received. Resets msg buffer.
      */