diff --git a/workflows/amplicon_cov.smk b/workflows/amplicon_cov.smk
index 28cf7d0..eee61ae 100644
--- a/workflows/amplicon_cov.smk
+++ b/workflows/amplicon_cov.smk
@@ -18,8 +18,8 @@ rule relative_amplicon_coverage:
     shell:
         f"""
         python ../scripts/amplicon_covs.py -pv /
-            -s {input.sample_list} /
-            -f {input.samples} /
+            -s {{input.sample_list}} /
+            -f {{input.samples}} /
             -r articV3primers.bed /
-            -o {output.output_dir} /
+            -o {{output.output_dir}} /
         """
\ No newline at end of file