diff --git a/UI/Panels/Config/InterpolationPanel.cs b/UI/Panels/Config/InterpolationPanel.cs
index 79c8bbe13..866346051 100644
--- a/UI/Panels/Config/InterpolationPanel.cs
+++ b/UI/Panels/Config/InterpolationPanel.cs
@@ -49,7 +49,7 @@ internal void syncFromConfig(Interpolation i)
 
             dt.Rows.Clear();
             
-            foreach (float Key in i.GetValues().Keys)
+            foreach (double Key in i.GetValues().Keys)
             {
                 DataRow row = dt.NewRow();
                 row["Input"] = Key.ToString();