diff --git a/plugins/liquids.cpp b/plugins/liquids.cpp
index 5dd64812f..76c098c8a 100644
--- a/plugins/liquids.cpp
+++ b/plugins/liquids.cpp
@@ -55,6 +55,7 @@ using namespace df::enums;
 DFHACK_PLUGIN("liquids");
 REQUIRE_GLOBAL(world);
 
+static const char * HISTORY_FILE = "dfhack-config/liquids.history";
 CommandHistory liquids_hist;
 
 command_result df_liquids (color_ostream &out, vector <string> & parameters);
@@ -62,7 +63,7 @@ command_result df_liquids_here (color_ostream &out, vector <string> & parameters
 
 DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <PluginCommand> &commands)
 {
-    liquids_hist.load("liquids.history");
+    liquids_hist.load(HISTORY_FILE);
     commands.push_back(PluginCommand(
         "liquids", "Place magma, water or obsidian.",
         df_liquids, true,
@@ -80,7 +81,7 @@ DFhackCExport command_result plugin_init ( color_ostream &out, std::vector <Plug
 
 DFhackCExport command_result plugin_shutdown ( color_ostream &out )
 {
-    liquids_hist.save("liquids.history");
+    liquids_hist.save(HISTORY_FILE);
     return CR_OK;
 }