diff --git a/src/newgrf_config.h b/src/newgrf_config.h
index 94b9a25cea..4e2057fca2 100644
--- a/src/newgrf_config.h
+++ b/src/newgrf_config.h
@@ -240,5 +240,6 @@ GRFTextWrapper *FindUnknownGRFName(uint32 grfid, uint8 *md5sum, bool create);
 #endif /* ENABLE_NETWORK */
 
 void UpdateNewGRFScanStatus(uint num, const char *name);
+bool UpdateNewGRFConfigPalette(int32 p1 = 0);
 
 #endif /* NEWGRF_CONFIG_H */
diff --git a/src/openttd.cpp b/src/openttd.cpp
index 2ec5cea656..dd93ffc68c 100644
--- a/src/openttd.cpp
+++ b/src/openttd.cpp
@@ -398,6 +398,9 @@ struct AfterNewGRFScan : NewGRFScanCallback {
 		uint last_newgrf_count = _settings_client.gui.last_newgrf_count;
 		LoadFromConfig();
 		_settings_client.gui.last_newgrf_count = last_newgrf_count;
+		/* Since the default for the palette might have changed due to
+		 * reading the configuration file, recalculate that now. */
+		UpdateNewGRFConfigPalette();
 
 		AI::Uninitialize(true);
 		CheckConfig();
diff --git a/src/table/settings.ini b/src/table/settings.ini
index 965eaeb17e..40052828be 100644
--- a/src/table/settings.ini
+++ b/src/table/settings.ini
@@ -40,7 +40,6 @@ static bool InvalidateIndustryViewWindow(int32 p1);
 static bool InvalidateAISettingsWindow(int32 p1);
 static bool RedrawTownAuthority(int32 p1);
 static bool InvalidateCompanyInfrastructureWindow(int32 p1);
-extern bool UpdateNewGRFConfigPalette(int32 p1);
 static bool ZoomMinMaxChanged(int32 p1);
 
 #ifdef ENABLE_NETWORK