diff --git a/R/use_KEGGREST.R b/R/use_KEGGREST.R
index a22123655d8b01b4e3b104b4131881995cea5fd4..f42fc2f0c8ddab689bd2d70f8d09580d8d4ace2b 100644
--- a/R/use_KEGGREST.R
+++ b/R/use_KEGGREST.R
@@ -9,7 +9,7 @@ use_KEGGREST <- function(expr) {
   kegg_out <- try({ expr }, silent = TRUE)
   if (inherits(kegg_out, "try-error")) {
     message("'KEGGREST' query is not available at the moment. Are you connected",
-            "to internet and if so, please, try again later.")
+            " to internet and if so, please, try again later.")
     return(NULL)
   } else {
     return(kegg_out)