diff --git a/plugins/seedwatch.cpp b/plugins/seedwatch.cpp
index 378433957..3be0bf845 100644
--- a/plugins/seedwatch.cpp
+++ b/plugins/seedwatch.cpp
@@ -283,9 +283,9 @@ DFhackCExport command_result plugin_onstatechange(color_ostream &out, state_chan
 {
     switch (event) {
     case SC_MAP_LOADED:
-		if(running)
-			out.print("seedwatch supervision started.\n");
-		break;
+        if(running)
+            out.print("seedwatch supervision started.\n");
+        break;
     case SC_MAP_UNLOADED:
         if (running)
             out.printerr("seedwatch deactivated due to game load/unload\n");