diff --git a/libreplan-business/src/main/java/org/libreplan/business/planner/entities/AssignmentFunction.java b/libreplan-business/src/main/java/org/libreplan/business/planner/entities/AssignmentFunction.java
index 32b7da97f..03abe9e9a 100644
--- a/libreplan-business/src/main/java/org/libreplan/business/planner/entities/AssignmentFunction.java
+++ b/libreplan-business/src/main/java/org/libreplan/business/planner/entities/AssignmentFunction.java
@@ -76,7 +76,7 @@ public abstract class AssignmentFunction extends BaseEntity {
         FLAT(_("Flat")),
         MANUAL(_("Manual")),
         STRETCHES(_("Stretches")),
-        INTERPOLATION(_("Interporlation")),
+        INTERPOLATION(_("Interpolation")),
         SIGMOID(_("Sigmoid"));
 
         private String name;