diff --git a/NEWS.md b/NEWS.md
index 0e2d7d7c..f304ac52 100755
--- a/NEWS.md
+++ b/NEWS.md
@@ -25,6 +25,7 @@
   * Added header info for class `mo` to show unique count of families, genera and species
   * Now honours the `decimal.mark` setting, which just like `format` defaults to `getOption("OutDec")`
   * The new `big.mark` parameter will at default be `","` when `decimal.mark = "."` and `"."` otherwise
+  * Fix for header text where all observations are `NA`
 
 
 # 0.5.0 (latest stable release)
diff --git a/R/freq.R b/R/freq.R
index b879c5ca..418a1ffd 100755
--- a/R/freq.R
+++ b/R/freq.R
@@ -316,7 +316,7 @@ frequency_tbl <- function(x,
     }
   }
 
-  if (NROW(x) > 0) {
+  if ((length(NAs) + length(x) > 0) > 0) {
     na_txt <- paste0(NAs %>% length() %>% format(decimal.mark = decimal.mark, big.mark = big.mark), ' = ',
                      (NAs %>% length() / (NAs %>% length() + x %>% length())) %>% percent(force_zero = TRUE, round = digits, decimal.mark = decimal.mark) %>%
                        sub('NaN', '0', ., fixed = TRUE))