diff --git a/R/metis-package.R b/R/metis-package.R
index 5b947c2..95ca2e7 100644
--- a/R/metis-package.R
+++ b/R/metis-package.R
@@ -15,10 +15,7 @@
 #'
 #'     if (!grepl("-Xrs", getOption("java.parameters", ""))) {
 #'       options(
-#'         "java.parameters" = paste0(
-#'           c(getOption("java.parameters", default = NULL), "-Xrs"),
-#'           collapse=" "
-#'         )
+#'         "java.parameters" = c(getOption("java.parameters", default = NULL), "-Xrs")
 #'       )
 #'     }
 #'
diff --git a/README.Rmd b/README.Rmd
index 910bd58..44cb779 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -31,10 +31,7 @@ Since R 3.5 (I don't remember this happening in R 3.4.x) signals sent from inter
 ```r
 if (!grepl("-Xrs", getOption("java.parameters", ""))) {
   options(
-    "java.parameters" = paste0(
-      c(getOption("java.parameters", default = NULL), "-Xrs"), 
-      collapse=" "
-    )
+    "java.parameters" = c(getOption("java.parameters", default = NULL), "-Xrs")
   )
 }
 ```
diff --git a/README.md b/README.md
index e833e92..83af003 100644
--- a/README.md
+++ b/README.md
@@ -32,10 +32,7 @@ Since R 3.5 (I don't remember this happening in R 3.4.x) signals sent from inter
 ```r
 if (!grepl("-Xrs", getOption("java.parameters", ""))) {
   options(
-    "java.parameters" = paste0(
-      c(getOption("java.parameters", default = NULL), "-Xrs"), 
-      collapse=" "
-    )
+    "java.parameters" = c(getOption("java.parameters", default = NULL), "-Xrs")
   )
 }
 ```
diff --git a/man/metis.Rd b/man/metis.Rd
index 8da9bff..dab1e4b 100644
--- a/man/metis.Rd
+++ b/man/metis.Rd
@@ -23,10 +23,7 @@ in your local #' `~/.Rprofile` and/or sitewide `Rprofile`:
 
     if (!grepl("-Xrs", getOption("java.parameters", ""))) {
       options(
-        "java.parameters" = paste0(
-          c(getOption("java.parameters", default = NULL), "-Xrs"),
-          collapse=" "
-        )
+        "java.parameters" = c(getOption("java.parameters", default = NULL), "-Xrs")
       )
     }
 }