1 files changed, 2 insertions, 1 deletions
diff --git a/mean.awk b/mean.awk
index 54b2e14..6f16d8d 100644
--- a/mean.awk
+++ b/mean.awk
@@ -4,7 +4,7 @@
 # calculate mean average
 
 BEGIN {
-    OFS = "%.18g"
+    OFMT = "%.18g"
     sign = "[+-±]?"
     decimal = "[0-9]+[.]?[0-9]*"
     fraction = "[.][0-9]*"
@@ -33,3 +33,4 @@ END {
     print "mean", "std_dev", "std_err", "count"
     print mean, sqrt(var), sqrt(var/count), count
 }
+