diff --git a/inst/biblioshiny/server.R b/inst/biblioshiny/server.R
index e2dadf9f..64cadbeb 100644
--- a/inst/biblioshiny/server.R
+++ b/inst/biblioshiny/server.R
@@ -1003,7 +1003,7 @@ server <- function(input, output, session) {
     CO$Tab=gsub("UNITED KINGDOM","UK",CO$Tab)
     CO$Tab=gsub("KOREA","SOUTH KOREA",CO$Tab)
     
-    map.world <- ggplot2::map_data("world")
+    map.world <- map_data("world")
     map.world$region=toupper(map.world$region)
     
     dplyr::anti_join(CO, map.world, by = c('Tab' = 'region'))
diff --git a/inst/biblioshiny/ui.R b/inst/biblioshiny/ui.R
index 75128e16..b9ed47ed 100644
--- a/inst/biblioshiny/ui.R
+++ b/inst/biblioshiny/ui.R
@@ -9,6 +9,7 @@ if (!(require(shinythemes))){install.packages("shinythemes")}
 if (!(require(wordcloud2))){install.packages("wordcloud2")} 
 if (!require(colourpicker)){install.packages("colourpicker")}
 if (!require(treemap)){install.packages("treemap")}
+if (!require(ggmap)){install.packages("ggmap"); require(ggmap, quietly=TRUE)}
 
 
 # Main NavBar ----