diff --git a/.github/workflows/pypi.yaml b/.github/workflows/pypi.yaml
index 5148ce44..27790f56 100644
--- a/.github/workflows/pypi.yaml
+++ b/.github/workflows/pypi.yaml
@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Build distribution
-        uses: uclahs-cds/tool-pypi-publish-action/build-distribution@58e64514405eafe4f8c40130001cbd4d62acdf5c
+        uses: uclahs-cds/tool-pypi-publish-action/build-distribution@8a59b1548652d33f0a224775805d9a39767f0605
         with:
           package-name: mopepgen
 
@@ -35,7 +35,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Publish to PyPI
-        uses: uclahs-cds/tool-pypi-publish-action/publish-to-pypi@58e64514405eafe4f8c40130001cbd4d62acdf5c
+        uses: uclahs-cds/tool-pypi-publish-action/publish-to-pypi@8a59b1548652d33f0a224775805d9a39767f0605
         with:
           package-name: mopepgen
           url: https://upload.pypi.org/legacy/
diff --git a/CHANGELOG.md b/CHANGELOG.md
index be5522fe..65a29c87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,12 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+## [1.4.5] - 2025-02-19
+
+### Fixed
+
+- Variant peptide not split correclty if it is derived from fusion that the upstream and downstream are the same gene. #897
+
 ## [1.4.4] - 2025-02-11
 
 ### Fixed
diff --git a/moPepGen/__init__.py b/moPepGen/__init__.py
index c9dc89d2..f826cde6 100644
--- a/moPepGen/__init__.py
+++ b/moPepGen/__init__.py
@@ -8,7 +8,7 @@
 from . import constant
 
 
-__version__ = '1.4.4'
+__version__ = '1.4.5'
 
 ## Error messages
 ERROR_INDEX_IN_INTRON = 'The genomic index seems to be in an intron'
diff --git a/moPepGen/aa/VariantPeptideLabel.py b/moPepGen/aa/VariantPeptideLabel.py
index acdc5da9..655fdbf6 100644
--- a/moPepGen/aa/VariantPeptideLabel.py
+++ b/moPepGen/aa/VariantPeptideLabel.py
@@ -189,9 +189,14 @@ def from_variant_peptide(peptide:AminoAcidSeqRecord,
                 var_ids = {
                     first_gene_id: variant_id.first_variants
                         + [variant_id.fusion_id] \
-                        + variant_id.peptide_variants,
-                    second_gene_id: variant_id.second_variants
+                        + variant_id.peptide_variants
                 }
+                if second_gene_id != first_gene_id:
+                    var_ids[second_gene_id] = variant_id.second_variants
+                else:
+                    var_ids[first_gene_id] = list(set(
+                        var_ids[first_gene_id] +  variant_id.second_variants
+                    ))
                 tx_id = first_tx_id
 
             elif isinstance(variant_id, pi.BaseVariantPeptideIdentifier):