diff --git a/pipeline/fix_wipe_pairs_reads_parallel.smk b/pipeline/fix_wipe_pairs_reads_parallel.smk
index 957153a..9bd2a53 100644
--- a/pipeline/fix_wipe_pairs_reads_parallel.smk
+++ b/pipeline/fix_wipe_pairs_reads_parallel.smk
@@ -32,7 +32,7 @@ checkpoint split_fastq:
         "Splitting {input} into chunks."
     shell:'''
         mkdir data/{wildcards.sample}_chunks
-        split -l 2000 --numeric-suffixes {input} data/{wildcards.sample}_chunks/chunk --additional-suffix=.fastq
+        split -l 500000000 --numeric-suffixes {input} data/{wildcards.sample}_chunks/chunk --additional-suffix=.fastq
         '''
 
 rule wipe_fastq_parallel:
diff --git a/pipeline/fix_wipe_single_reads_parallel.smk b/pipeline/fix_wipe_single_reads_parallel.smk
index 3ad2e9c..e58b496 100644
--- a/pipeline/fix_wipe_single_reads_parallel.smk
+++ b/pipeline/fix_wipe_single_reads_parallel.smk
@@ -33,7 +33,7 @@ checkpoint split_fastq:
         "Splitting {input} into chunks."
     shell:'''
         mkdir data/{wildcards.sample}_chunks
-        split -l 2000 --numeric-suffixes {input} data/{wildcards.sample}_chunks/chunk --additional-suffix=.fastq
+        split -l 500000000 --numeric-suffixes {input} data/{wildcards.sample}_chunks/chunk --additional-suffix=.fastq
         '''