diff --git a/snappy_wrappers/wrappers/eb_filter/wrapper.py b/snappy_wrappers/wrappers/eb_filter/wrapper.py
index dfd7bfbe1..983cb5500 100644
--- a/snappy_wrappers/wrappers/eb_filter/wrapper.py
+++ b/snappy_wrappers/wrappers/eb_filter/wrapper.py
@@ -87,7 +87,7 @@
     filter=$(echo "$filter" | sed -e "s/^ || //")
     ann="CSQ"
     zgrep -q "^##INFO=<ID=CSQ," {snakemake.input.vcf} || ann="ANN"
-    if [[ {has_annotation} == "True" ]]; then
+    if [[ '{has_annotation}' == "True" ]]; then
         filter="$filter || $ann ~ \"stream_gene_variant\""
     else
         filter="$filter"