diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4fbcc98f..b50716f0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -96,6 +96,9 @@ set(Launcher_SUBREDDIT_URL "" CACHE STRING "URL for the subreddit.")
 # Use the secrets library or a public stub?
 option(Launcher_EMBED_SECRETS "Determines whether to embed secrets. Secrets are separate and non-public." OFF)
 
+# Use development data folder(s)
+option(Launcher_DEV_DATA "Use separate, development data folders." ON)
+
 #### Custom target to feed the version to github actions.
 add_custom_target(ga_version echo ::set-output name=version::${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR}.${PROJECT_VERSION_PATCH}.${PROJECT_VERSION_TWEAK})
 
diff --git a/notsecrets/CMakeLists.txt b/notsecrets/CMakeLists.txt
index 274da891..d0b29aa9 100644
--- a/notsecrets/CMakeLists.txt
+++ b/notsecrets/CMakeLists.txt
@@ -9,7 +9,11 @@ set(Launcher_Copyright "MultiMC Contributors" CACHE INTERNAL "")
 set(Launcher_Copyright_Full "Copyright 2015-2023 ${Launcher_Copyright}" CACHE INTERNAL "")
 set(Launcher_Domain "multimc.org" CACHE INTERNAL "")
 set(Launcher_Name "${Launcher_CommonName}" CACHE INTERNAL "")
-set(Launcher_FSName "devlauncher" CACHE INTERNAL "")
+if(Launcher_DEV_DATA)
+    set(Launcher_FSName "devlauncher-dev" CACHE INTERNAL "")
+else()
+    set(Launcher_FSName "devlauncher" CACHE INTERNAL "")
+endif()
 set(Launcher_DisplayName "${Launcher_CommonName} 6" CACHE INTERNAL "")
 set(Launcher_UserAgent "${Launcher_CommonName}/6.0" CACHE INTERNAL "")
 set(Launcher_ConfigFile "${Launcher_FSName}.cfg" CACHE INTERNAL "")