diff --git a/DESCRIPTION b/DESCRIPTION
index 44c1c597..f042b3be 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Type: Package
 Package: nflfastR
 Title: Functions to Efficiently Access NFL Play by Play Data
-Version: 5.0.0.9001
+Version: 5.0.0.9002
 Authors@R: 
     c(person(given = "Sebastian",
              family = "Carl",
diff --git a/NEWS.md b/NEWS.md
index 3c885247..df7ffeb9 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -2,6 +2,7 @@
 
 - Fixed a bug where `calculate_stats()` incorrectly counted `receiving_air_yards`. (#500)
 - Fixed a bug where `vegas_wp` variables were broken when `spread_line` data was missing. (#503)
+- Fixed a bug where `calculate_stats()` incorrectly calculated `target_share` and `air_yards_share` when `summary_level = "season"`. (#505)
 
 # nflfastR 5.0.0
 
diff --git a/R/calculate_stats.R b/R/calculate_stats.R
index 17657dd1..a4748423 100644
--- a/R/calculate_stats.R
+++ b/R/calculate_stats.R
@@ -122,9 +122,13 @@ calculate_stats <- function(seasons = nflreadr::most_recent_season(),
       team_stats = paste0(paste(stat_id, collapse = ";"), ";"),
       team_play_air_yards = sum((stat_id %in% 111:112) * yards)
     ) %>%
-    dplyr::group_by(.data$season, .data$week, .data$team) %>%
+    # compute team targets and team air yards for calculation of target share
+    # and air yard share. Since it's relative, we need to be careful with the groups
+    # depending on summary level
+    dplyr::group_by(!!!rlang::data_syms(
+      if (summary_level == "season") c("season", "team") else c("season", "week", "team")
+    )) %>%
     dplyr::mutate(
-      # for calculation of target share and air yard share
       team_targets = sum(stat_id == 115),
       team_air_yards = sum((stat_id %in% 111:112) * yards)
     ) %>%