diff --git a/src/client/hud.cpp b/src/client/hud.cpp
index 8ecd9822a0..c0c45ed897 100644
--- a/src/client/hud.cpp
+++ b/src/client/hud.cpp
@@ -359,7 +359,7 @@ void Hud::drawHotbar(v2s32 screen_pos, v2f offset, u16 direction,
 	std::size_t source_index = 0;
 	u16 length_before = 0;
 	for (s32 i_offset = inv_offset; source_index < sources.size(); source_index++) {
-		const HotbarSource::Source& source = sources[source_index];
+		const HotbarSource::Source &source = sources[source_index];
 		if (i_offset < source.length) {
 			s32 inv_length = std::min<s32>(source.length - i_offset, max_inv_length);
 
diff --git a/src/remoteplayer.h b/src/remoteplayer.h
index 5b1f0c4b1b..b1ae7c4c1d 100644
--- a/src/remoteplayer.h
+++ b/src/remoteplayer.h
@@ -35,7 +35,7 @@ public:
 
 	RemotePlayerChatResult canSendChatMessage();
 
-	void setHotbarSource(const HotbarSource& source) { hotbar_source = source; }
+	void setHotbarSource(const HotbarSource &source) { hotbar_source = source; }
 	const HotbarSource& getHotbarSource() const { return hotbar_source; }
 
 	void overrideDayNightRatio(bool do_override, float ratio)
diff --git a/src/script/lua_api/l_object.cpp b/src/script/lua_api/l_object.cpp
index 02eb8811a8..852b709ba3 100644
--- a/src/script/lua_api/l_object.cpp
+++ b/src/script/lua_api/l_object.cpp
@@ -1964,7 +1964,7 @@ int ObjectRef::l_get_hotbar_source(lua_State *L)
 
 	lua_newtable(L);
 
-	auto& sources = player->hotbar_source.getSources();
+	auto &sources = player->hotbar_source.getSources();
 	for (std::size_t i = 0; i < sources.size(); i++) {
 		auto& source = sources[i];
 		lua_newtable(L);
diff --git a/src/server.cpp b/src/server.cpp
index 19e4607e4d..53d66d359d 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -3477,7 +3477,7 @@ bool Server::hudSetHotbarItemcountLegacy(RemotePlayer *player, s32 hotbar_itemco
 	return true;
 }
 
-bool Server::hudSetHotbarSource(RemotePlayer *player, const HotbarSource& source)
+bool Server::hudSetHotbarSource(RemotePlayer *player, const HotbarSource &source)
 {
 	if (!player)
 		return false;
diff --git a/src/server.h b/src/server.h
index 73c5f0ed4a..a5cd7a700a 100644
--- a/src/server.h
+++ b/src/server.h
@@ -366,7 +366,7 @@ public:
 	bool hudChange(RemotePlayer *player, u32 id, HudElementStat stat, void *value);
 	bool hudSetFlags(RemotePlayer *player, u32 flags, u32 mask);
 	bool hudSetHotbarItemcountLegacy(RemotePlayer *player, s32 hotbar_itemcount);
-	bool hudSetHotbarSource(RemotePlayer *player, const HotbarSource& source);
+	bool hudSetHotbarSource(RemotePlayer *player, const HotbarSource &source);
 	void hudSetHotbarImage(RemotePlayer *player, const std::string &name);
 	void hudSetHotbarSelectedImage(RemotePlayer *player, const std::string &name);
 
diff --git a/src/util/hotbar_source.cpp b/src/util/hotbar_source.cpp
index 8385bb4786..1acfbd2066 100644
--- a/src/util/hotbar_source.cpp
+++ b/src/util/hotbar_source.cpp
@@ -19,7 +19,7 @@ void HotbarSource::setHotbarItemcountLegacy(u16 count)
 
 bool HotbarSource::getInventoryFromWieldIndex(u16 wield_index, std::string &list, u16 &index) const
 {
-	for (auto& source : sources) {
+	for (auto &source : sources) {
 		if (wield_index < source.length) {
 			list = source.list;
 			index = wield_index + source.offset;