diff --git a/src/main.cpp b/src/main.cpp
index 278e462..8188a2d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -493,7 +493,7 @@ void displayPatterns(xmp_module_info *mi, xmp_frame_info *fi) {
 			wmove(dis, 0, cxpos);
 			for (int i = 0; i < mi->mod->chn; i++) {
 				struct xmp_channel_info cinfo = fi->channel_info[i];
-				int voll = cinfo.volume * (255-cinfo.pan)/255;
+				int voll = (cinfo.volume * (256-cinfo.pan)/256)*2;
 				if (voll >= 64) wattron(dis, volhi);
 				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
 				wattroff(dis, volhi);
@@ -520,7 +520,7 @@ void displayPatterns(xmp_module_info *mi, xmp_frame_info *fi) {
 				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
 				wattroff(dis, chnvw);
 				
-				int volr = cinfo.volume * cinfo.pan/255;
+				int volr = (cinfo.volume * cinfo.pan/256)*2;
 				if (volr > 0) wattron(dis, vollo);
 				mvwaddch(dis, 0, (cxpos++)-hOffset, ' ');
 				wattroff(dis, vollo);