diff --git a/workflow/rules/diffexp.smk b/workflow/rules/diffexp.smk
index 074a136..e4545df 100644
--- a/workflow/rules/diffexp.smk
+++ b/workflow/rules/diffexp.smk
@@ -1,7 +1,7 @@
 rule count_matrix:
     input:
         expand(
-            "results/star/{unit.sample_name}_{unit.unit_name}/ReadsPerGene.out.tab",
+            "results/star/{sample}_{unit}/ReadsPerGene.out.tab",
             unit=units.itertuples(),
         ),
     output: