diff --git a/clipboard-adapter.sh b/clipboard-adapter.sh
index 891c65d..ff8501c 100755
--- a/clipboard-adapter.sh
+++ b/clipboard-adapter.sh
@@ -52,6 +52,23 @@ handle_copy() {
   esac
 }
 
+handle_primary() {
+  case "$1" in
+    xsel)
+      xsel --primary --input
+      ;;
+    xclip)
+      xclip -selection primary -in
+      ;;
+    wl-copy)
+      wl-copy --primary
+      ;;
+    *)
+      show_error "$1 has no implementation for copying yet"
+      exit 1
+  esac
+}
+
 # Print out the first argument and return true if that argument is an installed
 # command. Prints nothing and returns false if the argument is not an installed
 # command.
@@ -86,6 +103,7 @@ case "$1" in
   copy)
     shift
     printf "%s" "$*" | handle_copy "$tool"
+    printf "%s" "$*" | handle_primary "$tool"
     ;;
   *)
     show_error "$0: Unknown command \"$1\""