diff --git a/src/animation/AnimationAction.js b/src/animation/AnimationAction.js
index bae663002e81b7..f6f953b61b35c6 100644
--- a/src/animation/AnimationAction.js
+++ b/src/animation/AnimationAction.js
@@ -41,6 +41,15 @@ class AnimationAction {
 
 			const interpolant = tracks[ i ].createInterpolant( null );
 			interpolants[ i ] = interpolant;
+
+			// preserve interpolant settings (like tangent data from BezierInterpolant)
+
+			if ( interpolant.settings ) {
+
+				Object.assign( interpolantSettings, interpolant.settings );
+
+			}
+
 			interpolant.settings = interpolantSettings;
 
 		}
@@ -894,7 +903,7 @@ class AnimationAction {
 
 			} else {
 
-				settings.endingEnd 	 = WrapAroundEnding;
+				settings.endingEnd = WrapAroundEnding;
 
 			}