diff --git a/Findasterx1_gps.cmake b/Findasterx1_gps.cmake
index 74f474d6849aed412ba0b903de0b98e1c678942d..18901d29fe51282cb580984d1c75f10e4b61e5ee 100644
--- a/Findasterx1_gps.cmake
+++ b/Findasterx1_gps.cmake
@@ -1,5 +1,5 @@
 #edit the following line to add the librarie's header files
-FIND_PATH(asterx1_gps_INCLUDE_DIR asterx1_gps.h asterx1exceptions.h /usr/include/iridrivers /usr/local/include/iridrivers)
+FIND_PATH(asterx1_gps_INCLUDE_DIR asterx1_gps.h asterx1exceptions.h stream_gps.h gps_types.h /usr/include/iridrivers /usr/local/include/iridrivers)
 
 FIND_LIBRARY(asterx1_gps_LIBRARY
     NAMES asterx1_gps
diff --git a/Findasterx1_process.cmake b/Findasterx1_process.cmake
index be4e8f55e9e377bd9671124d296573ed6cfc7bdb..1c53d098a1d85e3f4bc7f59377dcf9f3c9947569 100644
--- a/Findasterx1_process.cmake
+++ b/Findasterx1_process.cmake
@@ -1,5 +1,5 @@
 #edit the following line to add the librarie's header files
-FIND_PATH(asterx1_process_INCLUDE_DIR asterx1_process.h /usr/include/iridrivers /usr/local/include/iridrivers)
+FIND_PATH(asterx1_process_INCLUDE_DIR asterx1_process.h gps_types.h /usr/include/iridrivers /usr/local/include/iridrivers)
 
 FIND_LIBRARY(asterx1_process_LIBRARY
     NAMES asterx1_process