diff --git a/.gitignore b/.gitignore
index 4422d9be66ee8e9bc1141dc93e401ba941f5ad0d..fb2157787b5feb9b823d760c1c2cf070f821604d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ inst/doc
 desktop.ini
 doc
 Meta
+*.Rproj
diff --git a/MortalityTables.Rproj b/MortalityTables.Rproj
index ff48a22d8b3400f834086d82e4f6e85f7b0d36ea..d13fcb05f14592b64c5fbbb14da4a3e0220f7681 100644
--- a/MortalityTables.Rproj
+++ b/MortalityTables.Rproj
@@ -17,6 +17,6 @@ StripTrailingWhitespace: Yes
 
 BuildType: Package
 PackageUseDevtools: Yes
-PackageInstallArgs: --no-multiarch
+PackageInstallArgs: --no-multiarch --with-keep.source
 PackageCheckArgs: --as-cran
 PackageRoxygenize: rd,collate,namespace,vignette
diff --git a/inst/extdata/MortalityTables_Austria_Annuities_EROMF.R b/inst/extdata/MortalityTables_Austria_Annuities_EROMF.R
index 4e08c0acb3a0e86ffeeaf6c6aeba9081f963c36c..eecb00ed5a3e2627175d4b20aec78305e1745b0d 100644
--- a/inst/extdata/MortalityTables_Austria_Annuities_EROMF.R
+++ b/inst/extdata/MortalityTables_Austria_Annuities_EROMF.R
@@ -17,7 +17,7 @@ eromf.data.av = utils::read.csv(
         "Austria_Annuities_EROMF_AV.csv",
         package = "MortalityTables"),
     skip = 2)
-
+rownames(eromf.data.av) = eromf.data.av$YOB
 
 
 EROM85.male = mortalityTable.period(