diff --git a/synfig-core/src/synfig/valuenodes/valuenode_animatedinterface.cpp b/synfig-core/src/synfig/valuenodes/valuenode_animatedinterface.cpp
index c3df71f..dd9197d 100644
--- a/synfig-core/src/synfig/valuenodes/valuenode_animatedinterface.cpp
+++ b/synfig-core/src/synfig/valuenodes/valuenode_animatedinterface.cpp
@@ -631,8 +631,8 @@ public:
 				curve.first.set_rs(iter->get_time(), next->get_time());
 				curve.first.p1()=iter->get_time();
 				curve.first.p2()=next->get_time();
-				curve.first.t1()=(curve.first.p2()-curve.first.p1())*(1.0f-iter->get_temporal_tension());
-				curve.first.t2()=(curve.first.p2()-curve.first.p1())*(1.0f-next->get_temporal_tension());
+				curve.first.t1()=(curve.first.p2()-curve.first.p1())*(1.0-iter->get_temporal_tension());
+				curve.first.t2()=(curve.first.p2()-curve.first.p1())*(1.0-next->get_temporal_tension());
 
 
 				curve.first.sync();
diff --git a/synfig-core/src/synfig/waypoint.cpp b/synfig-core/src/synfig/waypoint.cpp
index e5c8161..7f827ef 100644
--- a/synfig-core/src/synfig/waypoint.cpp
+++ b/synfig-core/src/synfig/waypoint.cpp
@@ -56,10 +56,10 @@ Waypoint::Waypoint(ValueBase value, Time time):
 	after(INTERPOLATION_TCB),
 	value_node(ValueNode_Const::create(value)),
 	time(time),
-	tension(0.0),
-	continuity(0.0),
+	tension(0),
+	continuity(0),
 	bias(0),
-	time_tension(0.0f)
+	time_tension(0)
 {
 	//!Writeme
 	if(value.get_type()==type_angle)
@@ -72,10 +72,10 @@ Waypoint::Waypoint(etl::handle<ValueNode> value_node, Time time):
 	after(INTERPOLATION_TCB),
 	value_node(value_node),
 	time(time),
-	tension(0.0),
+	tension(0),
 	continuity(0),
 	bias(0),
-	time_tension(0.0f)
+	time_tension(0)
 {
 	if(value_node->get_type()==type_angle)
 		after=before=INTERPOLATION_LINEAR;
@@ -88,7 +88,7 @@ Waypoint::Waypoint():
 	tension(0),
 	continuity(0),
 	bias(0),
-	time_tension(0.0f)
+	time_tension(0)
 {
 }
 
diff --git a/synfig-core/src/synfig/waypoint.h b/synfig-core/src/synfig/waypoint.h
index bb4dd79..8fc44dc 100644
--- a/synfig-core/src/synfig/waypoint.h
+++ b/synfig-core/src/synfig/waypoint.h
@@ -193,8 +193,7 @@ private:
 	Real continuity;
 	Real bias;
 
-	//! Shouldn't be Real?
-	float time_tension;
+	Real time_tension;
 
 	/*
  --	** -- C O N S T R U C T O R S ---------------------------------------------
@@ -272,9 +271,9 @@ public:
 	bool is_static()const;
 
 	//!! Gets temporal tension
-	float get_temporal_tension()const { return time_tension; }
+	Real get_temporal_tension()const { return time_tension; }
 	//!! Sets temporal tension
-	void set_temporal_tension(const float& x) { time_tension=x; }
+	void set_temporal_tension(const Real& x) { time_tension=x; }
 
 	//! True if the current waypoint's time is earlier than the compared waypoint's time
 	bool operator<(const Waypoint &rhs)const