diff --git a/poi/src/test/java/org/apache/poi/ss/formula/atp/TestPercentRankIncFunction.java b/poi/src/test/java/org/apache/poi/ss/formula/atp/TestPercentRankIncFunction.java
index b73352d53c..596e6844cb 100644
--- a/poi/src/test/java/org/apache/poi/ss/formula/atp/TestPercentRankIncFunction.java
+++ b/poi/src/test/java/org/apache/poi/ss/formula/atp/TestPercentRankIncFunction.java
@@ -48,8 +48,8 @@ public class TestPercentRankIncFunction {
             assertDouble(fe, cell, "PERCENTRANK.INC(A2:A11,8,2)", 0.66);
             assertDouble(fe, cell, "PERCENTRANK.INC(A2:A11,8,4)", 0.6666);
             assertDouble(fe, cell, "PERCENTRANK.INC(A2:A11,5)", 0.583);
-            assertDouble(fe, cell, "PERCENTRANK(A2:A11,1)", 0);
-            assertDouble(fe, cell, "PERCENTRANK(A2:A11,13)", 1);
+            assertDouble(fe, cell, "PERCENTRANK.INC(A2:A11,1)", 0);
+            assertDouble(fe, cell, "PERCENTRANK.INC(A2:A11,13)", 1);
         }
     }