diff --git a/app/main.R b/app/main.R
index 8578f3b..4adf1dd 100644
--- a/app/main.R
+++ b/app/main.R
@@ -118,7 +118,7 @@ server <- function(id) {
         )
       } else {
 
-        if (class(app_list()) != "data.frame") {
+        if (!inherits(app_list(), "data.frame")) {
           empty_state <- renderUI({
             generate_empty_state_ui(
               text = "Oops! Can't read apps from Posit Connect.",
diff --git a/app/view/mod_app_table.R b/app/view/mod_app_table.R
index fbf93bd..52c6e0c 100644
--- a/app/view/mod_app_table.R
+++ b/app/view/mod_app_table.R
@@ -43,7 +43,7 @@ server <- function(id, app_list, state) {
 
     output$app_table <- renderReactable({
 
-      if (length(app_list) > 0 && class(app_list) == "data.frame") {
+      if (length(app_list) > 0 && inherits(app_list, "data.frame")) {
         processed_apps <- app_list %>%
           select(
             guid,