diff --git a/src/gui/components/cc_frm_footer.cpp b/src/gui/components/cc_frm_footer.cpp
index 3d02f61c6..ac1b1da16 100644
--- a/src/gui/components/cc_frm_footer.cpp
+++ b/src/gui/components/cc_frm_footer.cpp
@@ -221,7 +221,7 @@ void CComponentsFooter::setButtonLabels(const struct button_label * const conten
 	setButtonLabels(buttons, label_count, chain_width, label_width);
 }
 
-void CComponentsFooter::setButtonLabels(const vector<button_label_l>v_content, const int& chain_width, const int& label_width)
+void CComponentsFooter::setButtonLabels(const vector<button_label_l> &v_content, const int& chain_width, const int& label_width)
 {
 	size_t label_count = v_content.size();
 	button_label_l buttons[label_count];
@@ -237,7 +237,7 @@ void CComponentsFooter::setButtonLabels(const vector<button_label_l>v_content, c
 	setButtonLabels(buttons, label_count, chain_width, label_width);
 }
 
-void CComponentsFooter::setButtonLabels(const vector<button_label_s>v_content, const int& chain_width, const int& label_width)
+void CComponentsFooter::setButtonLabels(const vector<button_label_s> &v_content, const int& chain_width, const int& label_width)
 {
 	size_t label_count = v_content.size();
 	button_label_s buttons[label_count];
diff --git a/src/gui/components/cc_frm_footer.h b/src/gui/components/cc_frm_footer.h
index 3f2b6cb5b..602c06963 100644
--- a/src/gui/components/cc_frm_footer.h
+++ b/src/gui/components/cc_frm_footer.h
@@ -93,9 +93,9 @@ class CComponentsFooter : public CComponentsHeader
 		///add button labels with locale label type as content, count as size_t, chain_width as int, label width as int
 		void setButtonLabels(const struct button_label_l * const content, const size_t& label_count, const int& chain_width = 0, const int& label_width = 0);
 		///add button labels with locale label type as content, parameter 1 as vector, chain_width as int, label width as int
-		void setButtonLabels(const std::vector<button_label_l>v_content, const int& chain_width, const int& label_width);
+		void setButtonLabels(const std::vector<button_label_l> &v_content, const int& chain_width, const int& label_width);
 		///add button labels with string label type as content, parameter 1 as vector, chain_width as int, label width as int
-		void setButtonLabels(const std::vector<button_label_s>v_content, const int& chain_width, const int& label_width);
+		void setButtonLabels(const std::vector<button_label_s> &v_content, const int& chain_width, const int& label_width);
 
 		///enable/disable button frame in icon color, predefined for red, green, yellow and blue
 		inline void enableButtonFrameColor(bool enable = true){btn_auto_frame_col = enable;}