diff --git a/src/gui/hdd_menu.h b/src/gui/hdd_menu.h
index 899d0f6e5..13a320e62 100644
--- a/src/gui/hdd_menu.h
+++ b/src/gui/hdd_menu.h
@@ -66,7 +66,7 @@ class CHDDMenuHandler : public CMenuTarget
 		std::vector<hdd_s> hdd_list;
 		struct cmp_hdd_by_name: public binary_function <const struct hdd_s, const struct hdd_s, bool>
 		{
-			bool operator() (const struct hdd_s c1, const struct hdd_s c2)
+			bool operator() (const struct hdd_s &c1, const struct hdd_s &c2)
 			{
 				return std::lexicographical_compare(c1.devname.begin(), c1.devname.end(), c2.devname.begin(), c2.devname.end());
 			};
diff --git a/src/gui/widget/menue.cpp b/src/gui/widget/menue.cpp
index a15b51eab..d2c36c0f6 100644
--- a/src/gui/widget/menue.cpp
+++ b/src/gui/widget/menue.cpp
@@ -2258,7 +2258,7 @@ CMenuSeparator::CMenuSeparator(const int Type, const neutrino_locale_t Text, boo
 	nameString	= "";
 }
 
-CMenuSeparator::CMenuSeparator(const int Type, const std::string Text, bool IsStatic) : CMenuItem(false, CRCInput::RC_nokey, NULL, NULL, IsStatic)
+CMenuSeparator::CMenuSeparator(const int Type, const std::string &Text, bool IsStatic) : CMenuItem(false, CRCInput::RC_nokey, NULL, NULL, IsStatic)
 {
 	type		= Type;
 	name		= NONEXISTANT_LOCALE;
diff --git a/src/gui/widget/menue.h b/src/gui/widget/menue.h
index 97bf7bd26..104078179 100644
--- a/src/gui/widget/menue.h
+++ b/src/gui/widget/menue.h
@@ -190,7 +190,7 @@ class CMenuItem : public  CComponentsSignals
 
 		virtual int isMenueOptionChooser(void) const{return 0;}
 		void setHint(const char * const icon, const neutrino_locale_t text) { hintIcon = (icon && *icon) ? icon : NULL; hint = text; }
-		void setHint(const char * const icon, const std::string text) { hintIcon = (icon && *icon) ? icon : NULL; hintText = text; }
+		void setHint(const char * const icon, const std::string &text) { hintIcon = (icon && *icon) ? icon : NULL; hintText = text; }
 
 		void setLua(lua_State *_luaState, std::string &_luaAction, std::string &_luaId) { luaState = _luaState; luaAction = _luaAction; luaId = _luaId; };
 		virtual const char *getName();
@@ -226,7 +226,7 @@ class CMenuSeparator : public CMenuItem
 
 
 		CMenuSeparator(const int Type = 0, const neutrino_locale_t Text = NONEXISTANT_LOCALE, bool IsStatic = false);
-		CMenuSeparator(const int Type, const std::string Text, bool IsStatic = false);
+		CMenuSeparator(const int Type, const std::string &Text, bool IsStatic = false);
 		virtual ~CMenuSeparator(){}
 
 		int paint(bool selected=false);