diff --git a/src/gui/dialogs/addon/list.cpp b/src/gui/dialogs/addon/list.cpp
index 47aa5c224b8..506dcca5d27 100644
--- a/src/gui/dialogs/addon/list.cpp
+++ b/src/gui/dialogs/addon/list.cpp
@@ -314,8 +314,8 @@ static std::string describe_status_verbose(const addon_tracking_info& state)
 	return colorify_addon_state_string(s, state);
 }
 
-template<typename Fnc>
-void taddon_list::init_sorting_option(generator_sort_array& order_funcs, Fnc filter_on)
+template<typename Fcn>
+void taddon_list::init_sorting_option(generator_sort_array& order_funcs, Fcn filter_on)
 {
 	order_funcs[0] = [this, filter_on](unsigned i1, unsigned i2) {
 		return filter_on(addon_at(ids_[i1], addons_)) < filter_on(addon_at(ids_[i2], addons_));
diff --git a/src/gui/dialogs/game_load.cpp b/src/gui/dialogs/game_load.cpp
index e557a503f80..eb37e954fb8 100644
--- a/src/gui/dialogs/game_load.cpp
+++ b/src/gui/dialogs/game_load.cpp
@@ -161,16 +161,16 @@ void tgame_load::pre_show(twindow& window)
 	display_savegame(window);
 }
 
-template<typename Fnc>
-void tgame_load::init_sorting_option(generator_sort_array& order_funcs, Fnc filter_on)
+template<typename Fcn>
+void tgame_load::init_sorting_option(generator_sort_array& order_funcs, Fcn filter_on)
 {
-    order_funcs[0] = [this, filter_on](unsigned i1, unsigned i2) {
-        return filter_on(games_[i1]) < filter_on(games_[i2]);
-    };
+	order_funcs[0] = [this, filter_on](unsigned i1, unsigned i2) {
+		return filter_on(games_[i1]) < filter_on(games_[i2]);
+	};
 
-    order_funcs[1] = [this, filter_on](unsigned i1, unsigned i2) {
-        return filter_on(games_[i1]) > filter_on(games_[i2]);
-    };
+	order_funcs[1] = [this, filter_on](unsigned i1, unsigned i2) {
+		return filter_on(games_[i1]) > filter_on(games_[i2]);
+	};
 }
 
 void tgame_load::display_savegame(twindow& window)
diff --git a/src/gui/dialogs/game_load.hpp b/src/gui/dialogs/game_load.hpp
index f9d71c7c455..b100a55ff44 100644
--- a/src/gui/dialogs/game_load.hpp
+++ b/src/gui/dialogs/game_load.hpp
@@ -70,8 +70,8 @@ private:
 	void evaluate_summary_string(std::stringstream& str,
 								 const config& cfg_summary);
 
-	template<typename Fnc>
-	void init_sorting_option(generator_sort_array& order_funcs, Fnc filter_on);
+	template<typename Fcn>
+	void init_sorting_option(generator_sort_array& order_funcs, Fcn filter_on);
 
 	tfield_text* txtFilter_;
 	tfield_bool* chk_change_difficulty_;
diff --git a/src/gui/dialogs/unit_create.cpp b/src/gui/dialogs/unit_create.cpp
index 35a36f1cb44..98ec5c1977d 100644
--- a/src/gui/dialogs/unit_create.cpp
+++ b/src/gui/dialogs/unit_create.cpp
@@ -87,16 +87,16 @@ tunit_create::tunit_create()
 {
 }
 
-template<typename Fnc>
-void tunit_create::init_sorting_option(generator_sort_array& order_funcs, Fnc filter_on)
+template<typename Fcn>
+void tunit_create::init_sorting_option(generator_sort_array& order_funcs, Fcn filter_on)
 {
-    order_funcs[0] = [this, filter_on](unsigned i1, unsigned i2) {
-        return filter_on((*units_[i1])) < filter_on((*units_[i2]));
-    };
+	order_funcs[0] = [this, filter_on](unsigned i1, unsigned i2) {
+		return filter_on((*units_[i1])) < filter_on((*units_[i2]));
+	};
 
-    order_funcs[1] = [this, filter_on](unsigned i1, unsigned i2) {
-        return filter_on((*units_[i1])) > filter_on((*units_[i2]));
-    };
+	order_funcs[1] = [this, filter_on](unsigned i1, unsigned i2) {
+		return filter_on((*units_[i1])) > filter_on((*units_[i2]));
+	};
 }
 
 void tunit_create::pre_show(twindow& window)
diff --git a/src/gui/dialogs/unit_create.hpp b/src/gui/dialogs/unit_create.hpp
index 8dc950264fc..ff592037091 100644
--- a/src/gui/dialogs/unit_create.hpp
+++ b/src/gui/dialogs/unit_create.hpp
@@ -69,8 +69,8 @@ private:
 	/** Inherited from tdialog. */
 	void pre_show(twindow& window);
 
-	template<typename Fnc>
-	void init_sorting_option(generator_sort_array& order_funcs, Fnc filter_on);
+	template<typename Fcn>
+	void init_sorting_option(generator_sort_array& order_funcs, Fcn filter_on);
 
 	/** Inherited from tdialog. */
 	void post_show(twindow& window);
diff --git a/src/gui/dialogs/unit_recall.cpp b/src/gui/dialogs/unit_recall.cpp
index 298416f423f..497a1cf2b60 100644
--- a/src/gui/dialogs/unit_recall.cpp
+++ b/src/gui/dialogs/unit_recall.cpp
@@ -111,8 +111,8 @@ static std::string format_cost_string(int unit_recall_cost, const int team_recal
 	return str.str();
 }
 
-template<typename Fnc>
-void tunit_recall::init_sorting_option(generator_sort_array& order_funcs, Fnc filter_on)
+template<typename Fcn>
+void tunit_recall::init_sorting_option(generator_sort_array& order_funcs, Fcn filter_on)
 {
 	order_funcs[0] = [this, filter_on](unsigned i1, unsigned i2) {
 		return filter_on((*recall_list_)[i1]) < filter_on((*recall_list_)[i2]);
diff --git a/src/gui/dialogs/unit_recall.hpp b/src/gui/dialogs/unit_recall.hpp
index b793a267e0a..6c48a010dde 100644
--- a/src/gui/dialogs/unit_recall.hpp
+++ b/src/gui/dialogs/unit_recall.hpp
@@ -54,8 +54,8 @@ private:
 	std::vector<std::string> filter_options_;
 	std::vector<std::string> last_words_;
 
-	template<typename T>
-	void init_sorting_option(generator_sort_array& order_funcs, T filter_on);
+	template<typename Fcn>
+	void init_sorting_option(generator_sort_array& order_funcs, Fcn filter_on);
 
 	/** Callbacks */
 	void list_item_clicked(twindow& window);