diff --git a/astrocyte_pkg.yml b/astrocyte_pkg.yml
index 44e4b23509e4eed5a289150ebb38eec7de26c62e..929e2316a228ee29b6cd6f8f23627d382b9de224 100644
--- a/astrocyte_pkg.yml
+++ b/astrocyte_pkg.yml
@@ -134,7 +134,7 @@ workflow_parameters:
 #            The workflow must publish all final output into $baseDir
 
 # Name of the R module that the vizapp will run against
-vizapp_r_module: 'R/3.2.1-intel'
+vizapp_r_module: 'R/3.4.1-gccmkl'
 
 # List of any CRAN packages, not provided by the modules, that must be made
 # available to the vizapp
diff --git a/workflow/main.nf b/workflow/main.nf
index 491f1ae59be42fefa943fb79aa22c192cd99150a..a48c2f14f9e1eb131ff0bda455a2b19c6105e923 100644
--- a/workflow/main.nf
+++ b/workflow/main.nf
@@ -405,8 +405,7 @@ process peakAnnotation {
 }
 
 // Define channel to find number of unique experiments
-peaksDesign = uniqueExperiments
-              .readLines()
+peaksDesign = Channel from(uniqueExperiments.readLines())
               .count()
 
 // Calculate Differential Binding Activity