diff --git a/synfig-studio/src/gui/timeplotdata.cpp b/synfig-studio/src/gui/timeplotdata.cpp
index 3e1ad08..87f8e7b 100644
--- a/synfig-studio/src/gui/timeplotdata.cpp
+++ b/synfig-studio/src/gui/timeplotdata.cpp
@@ -209,7 +209,7 @@ TimePlotData::get_double_pixel_t_coord(const synfig::Time& t) const
 int
 TimePlotData::get_pixel_y_coord(synfig::Real y) const
 {
-	return etl::round_to_int((y - range_lower) * range_k);
+	return etl::round_to_int((-y - range_lower) * range_k);
 }
 
 synfig::Time
@@ -220,7 +220,7 @@ TimePlotData::get_t_from_pixel_coord(double pixel) const
 
 double TimePlotData::get_y_from_pixel_coord(double pixel) const
 {
-	return range_lower + pixel / range_k;
+	return -(range_lower + pixel / range_k);
 }
 
 }
diff --git a/synfig-studio/src/gui/widgets/widget_curves.cpp b/synfig-studio/src/gui/widgets/widget_curves.cpp
index 3a57640..52ff519 100644
--- a/synfig-studio/src/gui/widgets/widget_curves.cpp
+++ b/synfig-studio/src/gui/widgets/widget_curves.cpp
@@ -161,7 +161,7 @@ struct Widget_Curves::CurveStruct: sigc::trackable
 		// we are looking for
 		std::map<Real, Real>::iterator i = channels[channel].values.lower_bound(time);
 		if (i != channels[channel].values.end() && i->first - time <= tolerance)
-			return -i->second;
+			return i->second;
 
 		// Since that didn't work, we now need
 		// to go ahead and figure out what the
@@ -217,7 +217,7 @@ struct Widget_Curves::CurveStruct: sigc::trackable
 			return Real(0.0);
 		}
 
-		return -channels[channel].values[time];
+		return channels[channel].values[time];
 	}
 };