diff --git a/mergecounts.wdl b/mergecounts.wdl
index 75d51237554ef1977db31dd8b2a3456ae5e66fca..8cca5dd494eefdaf208bedeffa051ec0960ed6d9 100644
--- a/mergecounts.wdl
+++ b/mergecounts.wdl
@@ -12,7 +12,7 @@ task MergeCounts {
         set -e -o pipefail
         mkdir -p ${sub(outputFile, basename(outputFile) + "$", "")}
         ${preCommand}
-        R --no-save --slave <<CODE
+        R --no-save <<CODE
             library(dplyr)
             library(reshape2)