diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5542ff958efe0d5f486ebe41f6e8f835e3f8ad6b..30b1986eb9a107283e09326d2d0dca51cbad575e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -58,8 +58,6 @@ single_end_single_control:
 single_end_diff:
   stage: multiple
   only:
-    - branches
-  except:
     - master
   script:
   - NXF_OPTS="-Dleveldb.mmap=false" nextflow run workflow/main.nf --designFile "$CI_PROJECT_DIR/test_data/design_diff_SE.txt" --genome 'GRCm38' --astrocyte false
@@ -68,6 +66,8 @@ single_end_diff:
 
 paired_end_diff:
   only:
+    - branches
+  except:
     - master
   stage: multiple
   script:
diff --git a/workflow/tests/test_diff_peaks.py b/workflow/tests/test_diff_peaks.py
index 47940c0b2c103fda1445043915a70b3c4e1464d0..9e35c32c74010edfba2aa7e88f87fee63546354c 100644
--- a/workflow/tests/test_diff_peaks.py
+++ b/workflow/tests/test_diff_peaks.py
@@ -71,4 +71,4 @@ def test_diffbind_pairedend_single_rep():
         assert os.path.exists(os.path.join(test_output_path, 'ENCSR729LGA_vs_ENCSR757EMK_diffbind.bed'))
         diffbind_file = test_output_path + 'ENCSR729LGA_vs_ENCSR757EMK_diffbind.csv'
     assert os.path.exists(diffbind_file)
-    assert utils.count_lines(diffbind_file) >= 65182
+    assert utils.count_lines(diffbind_file) >= 65124