diff --git a/docs/changelog.txt b/docs/changelog.txt
index 1e8961c7be..6fffb49e54 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -60,6 +60,7 @@ Template for new versions:
 ## New Features
 
 ## Fixes
+- Fixed ``scriptmanager.getModStatePath()`` causing scripts to crash when called
 
 ## Misc Improvements
 
diff --git a/library/lua/script-manager.lua b/library/lua/script-manager.lua
index cb4abf1f53..cc4a02c6cd 100644
--- a/library/lua/script-manager.lua
+++ b/library/lua/script-manager.lua
@@ -246,7 +246,7 @@ function getModSourcePath(mod_id)
 end
 
 function getModStatePath(mod_id)
-    local path = (dfhack.getConfigPath() + ('/mods/%s/')):format(mod_id)
+    local path = (dfhack.getConfigPath() .. ('/mods/%s/')):format(mod_id)
     if not dfhack.filesystem.mkdir_recursive(path) then
         error(('failed to create mod state directory: "%s"'):format(path))
     end