diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 6a8514a1b..e2c5bc387 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -4748,7 +4748,7 @@ bool FurnaceGUI::loop() {
                   info=fmt::sprintf(_("Set volume: %d (%.2X, INVALID!)"),p->data[cursor.y][3],p->data[cursor.y][3]);
                 } else {
                   float realVol=e->getGain(cursor.xCoarse,p->data[cursor.y][3]);
-                  info=fmt::sprintf(_("Set volume: %d (%.2X, %d%%)"),p->data[cursor.y][3],p->data[cursor.y][3],(int)(realVol*100.0f/(float)maxVol));
+                  info=fmt::sprintf(_("Set volume: %d (%.2X, %d%%)"),p->data[cursor.y][3],p->data[cursor.y][3],(int)(realVol*100.0f));
                 }
                 hasInfo=true;
               }