diff --git a/reports/acquisitions_stats.pl b/reports/acquisitions_stats.pl
index 3624515910..b6d145f049 100755
--- a/reports/acquisitions_stats.pl
+++ b/reports/acquisitions_stats.pl
@@ -290,7 +290,7 @@ sub calculate {
             } elsif ( $rodsp == 3 ) {
                 $field{$a} = "Year($a)";
             } else {
-                field{$a} = $a;
+                $field{$a} = $a;
             }
         }
         elsif ( $_ =~ /bookseller/ ) {