diff --git a/config/config.yaml b/config/config.yaml
index f08cdb3..76ca7f6 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -52,6 +52,7 @@ exitronsplicing:
   activate: true # whether (=true) or not (=false) to include exitron-splicing events
   ao: 3  # allele observation
   pso: 0.05  # percent spliced out
+  strand: 1 # strand specificity of library (0=unstranded, 1=forward, 2=reverse)
 
 # gene fusion
 genefusion: