diff --git a/src/modules/fw_pos_control_l1/CMakeLists.txt b/src/modules/fw_pos_control_l1/CMakeLists.txt
index e89bba2a66..b3ea4212e5 100644
--- a/src/modules/fw_pos_control_l1/CMakeLists.txt
+++ b/src/modules/fw_pos_control_l1/CMakeLists.txt
@@ -37,7 +37,7 @@ px4_add_module(
 	COMPILE_FLAGS
 	SRCS
 		FixedwingPositionControl.cpp
-		landingslope.cpp
+		Landingslope.cpp
 	DEPENDS
 		platforms__common
 		git_ecl
diff --git a/src/modules/fw_pos_control_l1/FixedwingPositionControl.hpp b/src/modules/fw_pos_control_l1/FixedwingPositionControl.hpp
index ba1f8f3771..a3f8617303 100644
--- a/src/modules/fw_pos_control_l1/FixedwingPositionControl.hpp
+++ b/src/modules/fw_pos_control_l1/FixedwingPositionControl.hpp
@@ -59,7 +59,7 @@
 
 #include <cfloat>
 
-#include "landingslope.h"
+#include "Landingslope.hpp"
 
 #include <arch/board/board.h>
 #include <drivers/drv_accel.h>
diff --git a/src/modules/fw_pos_control_l1/landingslope.cpp b/src/modules/fw_pos_control_l1/Landingslope.cpp
similarity index 99%
rename from src/modules/fw_pos_control_l1/landingslope.cpp
rename to src/modules/fw_pos_control_l1/Landingslope.cpp
index 416ee77ade..51b61d647e 100644
--- a/src/modules/fw_pos_control_l1/landingslope.cpp
+++ b/src/modules/fw_pos_control_l1/Landingslope.cpp
@@ -37,7 +37,7 @@
  * @author Thomas Gubler <thomasgubler@gmail.com>
  */
 
-#include "landingslope.h"
+#include "Landingslope.hpp"
 
 #include <mathlib/mathlib.h>
 
diff --git a/src/modules/fw_pos_control_l1/landingslope.h b/src/modules/fw_pos_control_l1/Landingslope.hpp
similarity index 100%
rename from src/modules/fw_pos_control_l1/landingslope.h
rename to src/modules/fw_pos_control_l1/Landingslope.hpp
diff --git a/src/modules/navigator/mission_feasibility_checker.cpp b/src/modules/navigator/mission_feasibility_checker.cpp
index 8c263cf6ae..ea00d93fea 100644
--- a/src/modules/navigator/mission_feasibility_checker.cpp
+++ b/src/modules/navigator/mission_feasibility_checker.cpp
@@ -45,7 +45,7 @@
 #include "navigator.h"
 
 #include <drivers/drv_pwm_output.h>
-#include <fw_pos_control_l1/landingslope.h>
+#include <fw_pos_control_l1/Landingslope.hpp>
 #include <geo/geo.h>
 #include <mathlib/mathlib.h>
 #include <systemlib/mavlink_log.h>