diff --git a/seqnado/workflow/rules/heatmap.smk b/seqnado/workflow/rules/heatmap.smk
index 73d38f44..4338895c 100644
--- a/seqnado/workflow/rules/heatmap.smk
+++ b/seqnado/workflow/rules/heatmap.smk
@@ -12,7 +12,7 @@ rule heatmap_matrix:
     input:
         bigwigs=expand(
             "seqnado_output/bigwigs/deeptools/{method}/{sample}.bigWig",
-            method=get_scale_method(cofig),
+            method=get_scale_method(config),
             sample=prefix,
         ),
     output: