diff --git a/snakemake_pipeline/snakefiles/preprocessing.snake b/snakemake_pipeline/snakefiles/preprocessing.snake
index 5637ae5..e28b6be 100644
--- a/snakemake_pipeline/snakefiles/preprocessing.snake
+++ b/snakemake_pipeline/snakefiles/preprocessing.snake
@@ -29,7 +29,8 @@ rule conditionbam:
 
 # Peak-calling
 gsizes = {"human":"hs",
-          "mouse":"mm"}
+          "mouse":"mm",
+          "zebrafish": 1369631918}  #https://deeptools.readthedocs.io/en/develop/content/feature/effectiveGenomeSize.html
             
 rule macs:
   input:
diff --git a/tobias/plotting/plot_aggregate.py b/tobias/plotting/plot_aggregate.py
index fdb6110..4a1342d 100644
--- a/tobias/plotting/plot_aggregate.py
+++ b/tobias/plotting/plot_aggregate.py
@@ -63,7 +63,7 @@ def add_aggregate_arguments(parser):
 	PLOT.add_argument('--log_transform', help="", action="store_true")
 	PLOT.add_argument('--plot_boundaries', help="Plot TFBS boundaries", action='store_true')
 	#PLOT.add_argument('--outliers', help="")
-	
+
 	RUN = parser.add_argument_group("Run arguments")
 	RUN = add_logger_args(RUN)