diff --git a/radio/src/gui/horus/menu_model_curves.cpp b/radio/src/gui/horus/menu_model_curves.cpp
index 938edebcc..e5d3feabc 100644
--- a/radio/src/gui/horus/menu_model_curves.cpp
+++ b/radio/src/gui/horus/menu_model_curves.cpp
@@ -250,7 +250,7 @@ bool menuModelCurveOne(evt_t event)
       lcdDrawSolidFilledRect(point.x, CURVE_CENTER_Y-CURVE_SIDE_WIDTH, 2, 2*CURVE_SIDE_WIDTH+2, CURVE_CURSOR_COLOR);
 
       char text[5];
-      strAppendUnsigned(text, points[i]);
+      strAppendSigned(text, points[i]);
 
       if (point.x >= CURVE_CENTER_X) {
         drawCurveVerticalScale(point.x-15);
@@ -273,7 +273,7 @@ bool menuModelCurveOne(evt_t event)
 
       drawCurvePoint(point.x-3, point.y-4, CURVE_CURSOR_COLOR);
 
-      strAppendUnsigned(text, x);
+      strAppendSigned(text, x);
       drawCurveCoord(limit(CURVE_CENTER_X-CURVE_SIDE_WIDTH-1, point.x-CURVE_COORD_WIDTH/2, CURVE_CENTER_X+CURVE_SIDE_WIDTH-CURVE_COORD_WIDTH+1), CURVE_CENTER_Y+CURVE_SIDE_WIDTH+2, text, selectionMode==1);
 
       if (s_editMode > 0) {