diff --git a/src/modules/ekf2/CMakeLists.txt b/src/modules/ekf2/CMakeLists.txt
index f8abff448c..72d5a71d88 100644
--- a/src/modules/ekf2/CMakeLists.txt
+++ b/src/modules/ekf2/CMakeLists.txt
@@ -155,7 +155,7 @@ if(CONFIG_EKF2_BAROMETER)
 endif()
 
 if(CONFIG_EKF2_DRAG_FUSION)
-	list(APPEND EKF_SRCS EKF/drag_fusion.cpp)
+	list(APPEND EKF_SRCS EKF/aid_sources/drag/drag_fusion.cpp)
 endif()
 
 if(CONFIG_EKF2_EXTERNAL_VISION)
diff --git a/src/modules/ekf2/EKF/CMakeLists.txt b/src/modules/ekf2/EKF/CMakeLists.txt
index ffaada28d2..5f33106b9a 100644
--- a/src/modules/ekf2/EKF/CMakeLists.txt
+++ b/src/modules/ekf2/EKF/CMakeLists.txt
@@ -73,7 +73,7 @@ if(CONFIG_EKF2_BAROMETER)
 endif()
 
 if(CONFIG_EKF2_DRAG_FUSION)
-	list(APPEND EKF_SRCS drag_fusion.cpp)
+	list(APPEND EKF_SRCS aid_sources/drag/drag_fusion.cpp)
 endif()
 
 if(CONFIG_EKF2_EXTERNAL_VISION)
diff --git a/src/modules/ekf2/EKF/drag_fusion.cpp b/src/modules/ekf2/EKF/aid_sources/drag/drag_fusion.cpp
similarity index 100%
rename from src/modules/ekf2/EKF/drag_fusion.cpp
rename to src/modules/ekf2/EKF/aid_sources/drag/drag_fusion.cpp