diff --git a/R/module_nested_tabs.R b/R/module_nested_tabs.R
index e26533cc9..528b18bb1 100644
--- a/R/module_nested_tabs.R
+++ b/R/module_nested_tabs.R
@@ -347,8 +347,8 @@ srv_teal_module.teal_module <- function(id,
 
 .resolve_module_datanames <- function(data, modules) {
   stopifnot("data_rv must be teal_data object." = inherits(data, "teal_data"))
-  if (is.null(modules$datanames) || identical(modules$datanames, "all")) {
-    names(data)
+  if (is.null(modules$datanames) || setequal(modules$datanames, "all")) {
+    setdiff(names(data), attr(modules$datanames, "excluded"))
   } else {
     intersect(
       names(data), # Keep topological order from teal.data::names()
diff --git a/R/modules.R b/R/modules.R
index 2b27d5bb4..76759c016 100644
--- a/R/modules.R
+++ b/R/modules.R
@@ -610,7 +610,13 @@ set_datanames <- function(modules, datanames) {
     modules$children <- lapply(modules$children, set_datanames, datanames)
   } else {
     if (identical(modules$datanames, "all")) {
-      modules$datanames <- datanames
+      included <- grep("^[^-]", datanames, value = TRUE)
+      if (length(included)) {
+        modules$datanames <- included
+      } else {
+        excluded <- gsub("^-", "", grep("^-", datanames, value = TRUE))
+        attr(modules$datanames, "excluded") <- excluded
+      }
     } else {
       warning(
         "Not possible to modify datanames of the module ", modules$label,