diff --git a/R/cacheName.R b/R/cacheName.R
index c1ba960..bb7b855 100644
--- a/R/cacheName.R
+++ b/R/cacheName.R
@@ -78,9 +78,14 @@ cacheName <- function(prefix, type, args = NULL,  graph = NULL, mode = "put", pa
     vcat(3, " - Search pattern ", basename(.fname(prefix, type, "-F*", args)), show_prefix = FALSE)
     return(NULL)
   }
-  if (length(files) == 1) file <- files
-  else file <- files[robustOrder(paste(file.mtime(files), basename(files)), decreasing = TRUE)][1]
-  vcat(1, " - forced cache does not match fingerprint ", fp,
-       fill = 300, show_prefix = FALSE)
+  if (length(files) == 1) {
+    file <- files
+  } else {
+    file <- files[robustOrder(paste(file.mtime(files), basename(files)), decreasing = TRUE)][1]
+  }
+  if (!isWrapperActive("pucAggregate")) {
+    vcat(1, " - forced cache does not match fingerprint ", fp,
+         fill = 300, show_prefix = FALSE)
+  }
   return(file)
 }
diff --git a/R/isWrapperActive.R b/R/isWrapperActive.R
index c362ae6..2d81241 100644
--- a/R/isWrapperActive.R
+++ b/R/isWrapperActive.R
@@ -30,6 +30,7 @@ setWrapperInactive <- function(name) {
                         readSource     = FALSE,
                         calcOutput     = FALSE,
                         retrieveData   = FALSE,
+                        pucAggregate   = FALSE,
                         saveCache      = FALSE,
                         callingHandler = FALSE,
                         vcat           = FALSE,
diff --git a/R/pucAggregate.R b/R/pucAggregate.R
index 1b8a7dc..4ba387f 100644
--- a/R/pucAggregate.R
+++ b/R/pucAggregate.R
@@ -34,6 +34,9 @@
 #' @export
 pucAggregate <- function(puc, regionmapping = getConfig("regionmapping"), ..., renv = TRUE, strict = FALSE) {
   argumentValues <- c(as.list(environment()), list(...)) # capture arguments for logging
+
+  setWrapperActive("pucAggregate")
+
   extraArgs <- list(...)
   startinfo <- toolstartmessage("pucAggregate", argumentValues, "+")
   puc <- normalizePath(puc)
diff --git a/tests/testthat/test-puc.R b/tests/testthat/test-puc.R
index 7a3a4af..cda95d0 100644
--- a/tests/testthat/test-puc.R
+++ b/tests/testthat/test-puc.R
@@ -1,22 +1,22 @@
 test_that("puc creation works", {
-   skip_on_cran()
-   retrieveData("example", rev = 42, extra = "test1")
-   expect_true(dir.exists(getConfig("pucfolder")))
-   withr::local_dir(getConfig("pucfolder"))
-   expect_true(file.exists("rev42_extra_example_tag.puc"))
-   untar("rev42_extra_example_tag.puc")
-   expect_true(length(Sys.glob("calcTauTotal*.rds")) == 1)
-   cfg <- readRDS("config.rds")
-   expect_identical(cfg$package, "madrat")
-   expect_identical(cfg$pucArguments, "extra")
-   expect_identical(cfg$args, list(model = "example", rev = 42, dev = "", cachetype = "def",
-                                   puc = TRUE, strict = FALSE, extra = "test1"))
-   expect_error(pucAggregate("rev42_extra_example_tag.puc", bla = "blub"), "cannot be changed in the given puc")
-   expect_message(pucAggregate("rev42_extra_example_tag.puc", extra = "blub", regionmapping = "regionmappingH12.csv",
-                               renv = FALSE), "Run calcOutput")
-   expect_message(pucAggregate("rev42_extra_example_tag.puc", extra = "blub", regionmapping = "regionmappingH12.csv",
-                               renv = FALSE), "already available")
-   expect_true(file.exists(file.path(getConfig("outputfolder"), "rev42_h12_7a5441e5_example_customizable_tag.tgz")))
-   expect_message(retrieveData("example", rev = 42, extra = "test2", renv = FALSE), "Run pucAggregate")
-   expect_true(file.exists(file.path(getConfig("outputfolder"), "rev42_h12_5f3d77a0_example_customizable_tag.tgz")))
+  skip_on_cran()
+  retrieveData("example", rev = 42, extra = "test1")
+  expect_true(dir.exists(getConfig("pucfolder")))
+  withr::local_dir(getConfig("pucfolder"))
+  expect_true(file.exists("rev42_extra_example_tag.puc"))
+  untar("rev42_extra_example_tag.puc")
+  expect_true(length(Sys.glob("calcTauTotal*.rds")) == 1)
+  cfg <- readRDS("config.rds")
+  expect_identical(cfg$package, "madrat")
+  expect_identical(cfg$pucArguments, "extra")
+  expect_identical(cfg$args, list(model = "example", rev = 42, dev = "", cachetype = "def",
+                                  puc = TRUE, strict = FALSE, extra = "test1"))
+  expect_error(pucAggregate("rev42_extra_example_tag.puc", bla = "blub"), "cannot be changed in the given puc")
+  expect_message(pucAggregate("rev42_extra_example_tag.puc", extra = "blub", regionmapping = "regionmappingH12.csv",
+                              renv = FALSE), "Run calcOutput")
+  expect_message(pucAggregate("rev42_extra_example_tag.puc", extra = "blub", regionmapping = "regionmappingH12.csv",
+                              renv = FALSE), "already available")
+  expect_true(file.exists(file.path(getConfig("outputfolder"), "rev42_h12_7a5441e5_example_customizable_tag.tgz")))
+  expect_message(retrieveData("example", rev = 42, extra = "test2", renv = FALSE), "Run pucAggregate")
+  expect_true(file.exists(file.path(getConfig("outputfolder"), "rev42_h12_5f3d77a0_example_customizable_tag.tgz")))
 })