diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd7aa2a8..49736ab7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### `Fixed`
 
+- [[#231](https://github.com/nf-core/differentialabundance/pull/231) - Update GSEA module to fix butterfly plot bug ([@WackerO](https://github.com/WackerO), review by [@pinin4fjords](https://github.com/pinin4fjords))
 - [[#226](https://github.com/nf-core/differentialabundance/pull/226) - Fix DESEQ2_NORM in modules.config ([@WackerO](https://github.com/WackerO), review by [@pinin4fjords](https://github.com/pinin4fjords))
 - [[#221](https://github.com/nf-core/differentialabundance/pull/221) - Update shinyngs modules to address density plots issue ([@pinin4fjords](https://github.com/pinin4fjords), review by [@maxulysse](https://github.com/maxulysse))
 - [[#223](https://github.com/nf-core/differentialabundance/pull/223)] - tabulartogseacls fixes ([@pinin4fjords](https://github.com/pinin4fjords), review by [@maxulysse](https://github.com/maxulysse))
diff --git a/modules.json b/modules.json
index 0c0f4120..75f6a7ea 100644
--- a/modules.json
+++ b/modules.json
@@ -52,7 +52,7 @@
                     },
                     "gsea/gsea": {
                         "branch": "master",
-                        "git_sha": "516189e968feb4ebdd9921806988b4c12b4ac2dc",
+                        "git_sha": "7aa7ced253469386f0645133ec3e838098dbe67c",
                         "installed_by": ["modules"]
                     },
                     "gunzip": {
diff --git a/modules/nf-core/gsea/gsea/environment.yml b/modules/nf-core/gsea/gsea/environment.yml
index 3158f736..cb3c41e7 100644
--- a/modules/nf-core/gsea/gsea/environment.yml
+++ b/modules/nf-core/gsea/gsea/environment.yml
@@ -1,3 +1,4 @@
+name: gsea_gsea
 channels:
   - conda-forge
   - bioconda
diff --git a/modules/nf-core/gsea/gsea/main.nf b/modules/nf-core/gsea/gsea/main.nf
index 17f4a2e8..6a060c46 100644
--- a/modules/nf-core/gsea/gsea/main.nf
+++ b/modules/nf-core/gsea/gsea/main.nf
@@ -2,7 +2,7 @@ process GSEA_GSEA {
     tag "$meta.id"
     label 'process_single'
 
-    conda 'modules/nf-core/gsea/gsea/environment.yml'
+    conda "${moduleDir}/environment.yml"
     container "${ workflow.containerEngine == 'singularity' && !task.ext.singularity_pull_docker_container ?
         'https://depot.galaxyproject.org/singularity/gsea:4.3.2--hdfd78af_0':
         'biocontainers/gsea:4.3.2--hdfd78af_0' }"
@@ -22,11 +22,11 @@ process GSEA_GSEA {
     tuple val(meta), path("*gsea_report_for_${target}.html")   , emit: report_htmls_target
     tuple val(meta), path("*ranked_gene_list*.tsv")            , emit: ranked_gene_list
     tuple val(meta), path("*gene_set_sizes.tsv")               , emit: gene_set_sizes
-    tuple val(meta), path("*butterfly_plot.png")               , emit: butterfly_plot
     tuple val(meta), path("*global_es_histogram.png")          , emit: histogram
     tuple val(meta), path("*heat_map_1.png")                   , emit: heatmap
     tuple val(meta), path("*pvalues_vs_nes_plot.png")          , emit: pvalues_vs_nes_plot
     tuple val(meta), path("*ranked_list_corr_2.png")           , emit: ranked_list_corr
+    tuple val(meta), path("*butterfly_plot.png")               , emit: butterfly_plot, optional: true
     tuple val(meta), path("*[!gene_set_size|gsea_report|ranked_gene_list]*.tsv"), emit: gene_set_tsv, optional: true
     tuple val(meta), path("*[!gsea_report|heat_map_corr_plot|index|pos_snapshot|neg_snapshot]*.html"), emit: gene_set_html, optional: true
     tuple val(meta), path("*[!butterfly|enplot|global_es_histogram|gset_rnd_es_dist|heat_map|pvalues_vs_nes_plot|ranked_list_corr]*.png"), emit: gene_set_heatmap, optional: true
diff --git a/modules/nf-core/gsea/gsea/meta.yml b/modules/nf-core/gsea/gsea/meta.yml
index 0ff81518..fe2d4c95 100644
--- a/modules/nf-core/gsea/gsea/meta.yml
+++ b/modules/nf-core/gsea/gsea/meta.yml
@@ -11,7 +11,7 @@ tools:
       homepage: "http://www.gsea-msigdb.org/gsea/index.jsp"
       documentation: "https://software.broadinstitute.org/cancer/software/gsea/wiki/index.php/Main_Page"
       doi: "10.1073/pnas.0506580102"
-      licence: "['BSD-3-clause']"
+      licence: ["BSD-3-clause"]
 input:
   - meta:
       type: map