diff --git a/scripts/src/lib.lua b/scripts/src/lib.lua
index 85e71249938..c3b468bc1be 100644
--- a/scripts/src/lib.lua
+++ b/scripts/src/lib.lua
@@ -178,6 +178,8 @@ project "formats"
 		MAME_DIR .. "src/lib/formats/c8280_dsk.h",
 		MAME_DIR .. "src/lib/formats/camplynx_cas.cpp",
 		MAME_DIR .. "src/lib/formats/camplynx_cas.h",
+		MAME_DIR .. "src/lib/formats/camplynx_dsk.cpp",
+		MAME_DIR .. "src/lib/formats/camplynx_dsk.h",
 		MAME_DIR .. "src/lib/formats/cbm_crt.cpp",
 		MAME_DIR .. "src/lib/formats/cbm_crt.h",
 		MAME_DIR .. "src/lib/formats/cbm_tap.cpp",
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index 5e85c733567..f10f98a5200 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -1333,7 +1333,6 @@ files {
 createMESSProjects(_target, _subtarget, "camputers")
 files {
 	MAME_DIR .. "src/mame/drivers/camplynx.cpp",
-	MAME_DIR .. "src/lib/formats/camplynx_dsk.cpp",
 }
 
 createMESSProjects(_target, _subtarget, "canon")