diff --git a/DESCRIPTION b/DESCRIPTION
index 210658c6..b5f38b90 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: covidregionaldata
 Title: Subnational Data for the Covid-19 Outbreak
-Version: 0.8.0
+Version: 0.8.1
 Authors@R: c(person(given = "Sam Abbott",
            role = c("aut", "cre"),
            email = "sam.abbott@lshtm.ac.uk",
diff --git a/R/uk.R b/R/uk.R
index ed629259..cccd2055 100644
--- a/R/uk.R
+++ b/R/uk.R
@@ -63,7 +63,7 @@ Also adding new variable: hosp_new_first_admissions. This is NHS data for first
                       gsub("-", "", as.character(Sys.Date()-1)),
                       ".xlsx")
     
-    tmp <- paste0(tempdir(), "\\nhs.xlsx")
+    tmp <- file.path(tempdir(), "nhs.xlsx")
     
     download.file(nhs_url, destfile = tmp, mode = "wb")