diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4df7cf8..ceabb35 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,7 @@ Users of wf-transcriptomes v2.0.0 who have encountered issues during discovery a
 ### Fixed
 - "Error in full_join" encountered during `runPerSampleBambuQuant` when all read classes have no compatible transcript assignment. An empty quant table is correctly emitted instead.
 - "unable to find an inherited method for function 'rowData'" encountered during `runJointBambuDiscover` when providing many samples. The workflow now correctly handles data spilled to disk by bambu discover.
+- Adjusted p-values below 0.001 in the volcano selection table are now shown in scientific notation instead of being rounded to 0.000.
 
 
 ## [v2.0.0]
@@ -323,4 +324,3 @@ This patch release of wf-transcriptomes updates internal workflow naming, and do
 ### Added
 - First release
 - Initial port of Snakemake WF from https://github.com/nanoporetech/pipeline-nanopore-ref-isoforms
-
diff --git a/bin/workflow_glue/volcano.py b/bin/workflow_glue/volcano.py
index e2e0a6d..9597b94 100644
--- a/bin/workflow_glue/volcano.py
+++ b/bin/workflow_glue/volcano.py
@@ -581,7 +581,15 @@ def volcano(data, fold_threshold=1, p_threshold=0.05):
         TableColumn(
             field="padj",
             title="padj",
-            formatter=NumberFormatter(format="0.000e"),
+            formatter=HTMLTemplateFormatter(
+                template="""
+                <% if (value < 0.001 && value !== 0) { %>
+                    <span><%= value.toExponential(2) %></span>
+                <% } else { %>
+                    <span><%= value.toFixed(4) %></span>
+                <% } %>
+                """
+                ),
         ),
     ])
     selected_table = DataTable(