diff --git a/cmake/DAPSS.cmake b/cmake/DAPSS.cmake
index fcf4ac3..d69365c 100644
--- a/cmake/DAPSS.cmake
+++ b/cmake/DAPSS.cmake
@@ -72,7 +72,7 @@ function(add_daps_target target_name)
         set(depfile "${output_file}.d")
 
         # Preprocess with -MD so #included .dapss files become build dependencies
-        # (e.g. body specs that #include ../elp_4k_usb_cam.dapss).
+        # (e.g. body specs that #include ../elp-4k-usb-cam.dapss).
         add_custom_command(
             OUTPUT ${output_file}
             COMMAND "${CMAKE_C_COMPILER}"
diff --git a/devices/CMakeLists.txt b/devices/CMakeLists.txt
index 356c340..7502940 100644
--- a/devices/CMakeLists.txt
+++ b/devices/CMakeLists.txt
@@ -4,7 +4,7 @@ add_daps_target(all_device_specs
     SOURCES
         avia0.dapss
         win0.dapss
-        elp_4k_usb_cam.dapss
+        elp-4k-usb-cam.dapss
 )
 
 # Register this target for later dependency addition from main CMakeLists.txt
diff --git a/devices/bodies/dell-laptop.dapss b/devices/bodies/dell-laptop.dapss
index 9bde031..460aa16 100644
--- a/devices/bodies/dell-laptop.dapss
+++ b/devices/bodies/dell-laptop.dapss
@@ -2,4 +2,4 @@
 ||
 #include "../avia0.dapss"
 ||
-#include "../elp_4k_usb_cam.dapss"
+#include "../elp-4k-usb-cam.dapss"
diff --git a/devices/elp_4k_usb_cam.dapss b/devices/elp-4k-usb-cam.dapss
similarity index 85%
rename from devices/elp_4k_usb_cam.dapss
rename to devices/elp-4k-usb-cam.dapss
index 911f737..41922bd 100644
--- a/devices/elp_4k_usb_cam.dapss
+++ b/devices/elp-4k-usb-cam.dapss
@@ -5,19 +5,19 @@
  * Native capture up to 3840x2160 @ 30fps (MJPEG / YUYV via opt-planar).
  */
 
-+edev|elp_4k_usb_cam|colour-yuv-y()
++edev|elp-4k-usb-cam|colour-yuv-y()
 	|lcameraBuff(
 		vres=720p
 		|colour-space=yuv|opt-planar)
 	|lcameraDev()
 	|model-substr:HDMI\ USB;location:external||
-+edev|elp_4k_usb_cam|colour-yuv-u()
++edev|elp-4k-usb-cam|colour-yuv-u()
 	|lcameraBuff(
 		vres=720p
 		|colour-space=yuv|opt-planar)
 	|lcameraDev()
 	|model-substr:HDMI\ USB;location:external||
-+edev|elp_4k_usb_cam|colour-yuv-v()
++edev|elp-4k-usb-cam|colour-yuv-v()
 	|lcameraBuff(
 		vres=720p
 		|colour-space=yuv|opt-planar)
diff --git a/scripts/dell_laptop_salmanoff_args.inc.sh b/scripts/dell_laptop_salmanoff_args.inc.sh
index 3a4b335..5f619f6 100644
--- a/scripts/dell_laptop_salmanoff_args.inc.sh
+++ b/scripts/dell_laptop_salmanoff_args.inc.sh
@@ -1,5 +1,5 @@
 # Canonical ./salmanoff arguments for devices/bodies/dell-laptop.daps (win0, avia0,
-# elp_4k_usb_cam). Source from other scripts or run from the CMake build directory:
+# elp-4k-usb-cam). Source from other scripts or run from the CMake build directory:
 #
 #   . scripts/dell_laptop_salmanoff_args.inc.sh
 #   ./salmanoff "${DELL_LAPTOP_SALMANOFF_ARGS[@]}"