diff --git a/fastqc.wdl b/fastqc.wdl
index dc0d71ddf210d56763b1b7d797900fe41bbbee31..ed724dd92e7e32c9595f6f888f87dbaea12117b4 100644
--- a/fastqc.wdl
+++ b/fastqc.wdl
@@ -96,7 +96,7 @@ task extractAdapters {
         Array[String] contamsList = read_lines(select_first([contamsOutputFilePath]))
     }
     runtime {
-        memory: "8G"
+        memory: 8
     }
 }