diff --git a/libexec/tmuxifier-new-session b/libexec/tmuxifier-new-session
index e0560eb..e8ce920 100755
--- a/libexec/tmuxifier-new-session
+++ b/libexec/tmuxifier-new-session
@@ -2,6 +2,14 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Provide tmuxifier completions
+if [ "$1" == "--complete" ]; then
+  for item in $(tmuxifier-list-sessions); do
+    echo "$item"
+  done
+  exit
+fi
+
 if [ -z "$1" ]; then
   echo "$(tmuxifier-help new-session)" >&2
   exit 1
diff --git a/libexec/tmuxifier-new-window b/libexec/tmuxifier-new-window
index 1c4919d..a405446 100755
--- a/libexec/tmuxifier-new-window
+++ b/libexec/tmuxifier-new-window
@@ -2,6 +2,14 @@
 set -e
 [ -n "$TMUXIFIER_DEBUG" ] && set -x
 
+# Provide tmuxifier completions
+if [ "$1" == "--complete" ]; then
+  for item in $(tmuxifier-list-windows); do
+    echo "$item"
+  done
+  exit
+fi
+
 if [ -z "$1" ]; then
   echo "$(tmuxifier-help new-window)" >&2
   exit 1