diff --git a/DESCRIPTION b/DESCRIPTION
index a5d8725fc..ce0ae593f 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -14,7 +14,7 @@ Imports:
     dplyr (>= 1.1.1),
     gms,
     magclass,
-    mip (>= 0.144.3),
+    mip (>= 0.149.3),
     readxl,
     quitte (>= 0.3137.1),
     piamutils (>= 0.0.12),
diff --git a/R/checkSummations.R b/R/checkSummations.R
index afdeb0750..e55459f7e 100644
--- a/R/checkSummations.R
+++ b/R/checkSummations.R
@@ -51,7 +51,7 @@ checkSummations <- function(mifFile, outputDirectory = ".", template = NULL, sum
     summationsFile <- chooseFromList(summationsOptions, multiple = FALSE, type = "summation file")
   }
   if (isTRUE(summationsFile == "extractVariableGroups")) {
-    checkVariables <- extractVariableGroups(levels(data$variable), keepOrigNames = TRUE)
+    checkVariables <- extractVariableGroups(levels(data$variable), keepOrigNames = TRUE, sorted = TRUE)
     names(checkVariables) <- make.unique(names(checkVariables), sep = " ")
   } else {
     summationGroups <- getSummations(summationsFile)
diff --git a/tests/testthat/test-getMapping.R b/tests/testthat/test-getMapping.R
index 884294fd8..2ccf4ac87 100644
--- a/tests/testthat/test-getMapping.R
+++ b/tests/testthat/test-getMapping.R
@@ -15,6 +15,19 @@ for (mapping in names(mappingNames())) {
     }
     expect_true(length(conflictsigns) == 0, label = paste0(mapping, " has no merge conflicts"))
 
+    # check whether piam_factor column has , as decimal separator
+    factorWithComma <- mappingData %>%
+      filter(grepl(",", .data$piam_factor)) %>%
+      pull("variable")
+    if (length(factorWithComma) > 0) {
+      warning("These variables in mapping ", mapping, " have a piam_factor using a ',' as decimal. Please use '.':\n",
+              paste(factorWithComma, collapse = "\n"),
+              "\nYou can run: devtools::load_all(); write.csv2(getMapping('", mapping,
+              "') %>% mutate(piam_factor = gsub(',', '.', .data$piam_factor)), mappingNames('", mapping,
+              "'), na = '', row.names = FALSE, quote = FALSE)")
+    }
+    expect_true(length(factorWithComma) == 0)
+
     # look for Moving Avg prices in REMIND variables
     movingavg <- mappingData %>%
       filter(grepl("^Price\\|.*\\|Moving Avg", .data$piam_variable),
@@ -90,19 +103,6 @@ for (mapping in names(mappingNames())) {
     }
     expect_true(length(factorWithoutVar) == 0)
 
-    # check whether piam_factor column has , as decimal separator
-    factorWithComma <- mappingData %>%
-      filter(grepl(",", .data$piam_factor)) %>%
-      pull("variable")
-    if (length(factorWithComma) > 0) {
-      warning("These variables in mapping ", mapping, " have a piam_factor using a ',' as decimal. Please use '.':\n",
-              paste(factorWithComma, collapse = "\n"),
-              "\nYou can run: devtools::load_all(); write.csv2(getMapping('", mapping,
-              "') %>% mutate(piam_factor = gsub(',', '.', .data$piam_factor)), mappingNames('", mapping,
-              "'), na = '', row.names = FALSE, quote = FALSE)")
-    }
-    expect_true(length(factorWithComma) == 0)
-
     # checks only if source is supplied
     if ("source" %in% colnames(mappingData)) {
       # check for empty piam_variable with source