diff --git a/src/main/java/org/broadinstitute/hellbender/tools/funcotator/dataSources/gencode/GencodeFuncotationFactory.java b/src/main/java/org/broadinstitute/hellbender/tools/funcotator/dataSources/gencode/GencodeFuncotationFactory.java
index 303e56b41e9..48714dcae6f 100644
--- a/src/main/java/org/broadinstitute/hellbender/tools/funcotator/dataSources/gencode/GencodeFuncotationFactory.java
+++ b/src/main/java/org/broadinstitute/hellbender/tools/funcotator/dataSources/gencode/GencodeFuncotationFactory.java
@@ -911,7 +911,7 @@ private static String getFivePrimeUtrSequenceFromReference(final ReferenceContex
                 extraBases = new String(referenceContext.getBases(
                         new SimpleInterval(
                                 contig,
-                                fivePrimeUtrs.get(fivePrimeUtrs.size() - 1).getEnd(),
+                                fivePrimeUtrs.get(fivePrimeUtrs.size() - 1).getEnd() + 1,
                                 fivePrimeUtrs.get(fivePrimeUtrs.size() - 1).getEnd() + numExtraBases)
                 ));
             }