diff --git a/code/hud/hudconfig.cpp b/code/hud/hudconfig.cpp
index 5edad8d9ce7..a770758436b 100644
--- a/code/hud/hudconfig.cpp
+++ b/code/hud/hudconfig.cpp
@@ -1873,7 +1873,7 @@ void hud_config_green_slider()
 		for(const auto& gauge_pair : HC_gauge_map){
             const SCP_string& gauge_id = gauge_pair.first;
             if (!gauge_id.empty()) {                
-                gr_init_alphacolor(&HUD_config.gauge_colors[gauge_id], pos, HUD_config.gauge_colors[gauge_id].green, HUD_config.gauge_colors[gauge_id].blue, HUD_config.gauge_colors[gauge_id].alpha);
+                gr_init_alphacolor(&HUD_config.gauge_colors[gauge_id], HUD_config.gauge_colors[gauge_id].red, pos, HUD_config.gauge_colors[gauge_id].blue, HUD_config.gauge_colors[gauge_id].alpha);
             }
         }
 	}
@@ -1897,7 +1897,7 @@ void hud_config_blue_slider()
 		for(const auto& gauge_pair : HC_gauge_map){
             const SCP_string& gauge_id = gauge_pair.first;
             if (!gauge_id.empty()) {                
-                gr_init_alphacolor(&HUD_config.gauge_colors[gauge_id], pos, HUD_config.gauge_colors[gauge_id].green, HUD_config.gauge_colors[gauge_id].blue, HUD_config.gauge_colors[gauge_id].alpha);
+                gr_init_alphacolor(&HUD_config.gauge_colors[gauge_id], HUD_config.gauge_colors[gauge_id].red, HUD_config.gauge_colors[gauge_id].green, pos, HUD_config.gauge_colors[gauge_id].alpha);
             }
         }
 	}