diff --git a/src/utils/transition-manager.js b/src/utils/transition-manager.js
index 12fd2e0f..02900aa9 100644
--- a/src/utils/transition-manager.js
+++ b/src/utils/transition-manager.js
@@ -174,7 +174,9 @@ export default class TransitionManager {
 
     // update transitionDuration for 'auto' mode
     const {transitionInterpolator} = endProps;
-    const duration = transitionInterpolator.getDuration(startProps, endProps);
+    const duration = transitionInterpolator.getDuration
+      ? transitionInterpolator.getDuration(startProps, endProps)
+      : endProps.transitionDuration;
 
     const initialProps = endProps.transitionInterpolator.initializeProps(startProps, endProps);