diff --git a/changelog.txt b/changelog.txt
index 9ca3d5e44..ddfb31a29 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -31,6 +31,7 @@ Template for new versions:
 ## New Features
 
 ## Fixes
+- `gui/control-panel`: fixed inconsistent space in command help ("tweak" -> "tweak ", like with other commands)
 
 ## Misc Improvements
 
diff --git a/gui/control-panel.lua b/gui/control-panel.lua
index becd57d1d..2e5455d5b 100644
--- a/gui/control-panel.lua
+++ b/gui/control-panel.lua
@@ -403,7 +403,7 @@ function CommandTab:init_footer(panel)
 end
 
 local function launch_help(data)
-    dfhack.run_command('gui/launcher', data.help_command or data.command .. ' ')
+    dfhack.run_command('gui/launcher', (data.help_command or data.command) .. ' ')
 end
 
 function CommandTab:show_help()