diff --git a/README.md b/README.md
index 0c02237..4abac18 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,7 @@ parameters to set your perfect profile.
 
 NOTE: for changes to take effect, you'll need to source again your `.tmux.conf` file.
 
+* [@thumbs-key](#thumbs-key)
 * [@thumbs-alphabet](#thumbs-alphabet)
 * [@thumbs-reverse](#thumbs-reverse)
 * [@thumbs-unique](#thumbs-unique)
@@ -78,6 +79,18 @@ NOTE: for changes to take effect, you'll need to source again your `.tmux.conf`
 * [@thumbs-hint-fg-color](#thumbs-hint-fg-color)
 * [@thumbs-select-fg-color](#thumbs-select-fg-color)
 
+### @thumbs-key
+
+`default: space`
+
+Choose which key is used to enter in thumbs mode.
+
+For example:
+
+```
+set -g @thumbs-key F
+```
+
 ### @thumbs-alphabet
 
 `default: qwerty`
diff --git a/tmux-thumbs.tmux b/tmux-thumbs.tmux
index 7bb89c4..205572c 100755
--- a/tmux-thumbs.tmux
+++ b/tmux-thumbs.tmux
@@ -2,4 +2,8 @@
 
 CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
-tmux bind-key space run-shell "${CURRENT_DIR}/tmux-thumbs.sh"
+DEFAULT_THUMBS_KEY="space"
+THUMBS_KEY=$(tmux show-option -gqv @thumbs-key)
+THUMBS_KEY=${THUMBS_KEY:-$DEFAULT_THUMBS_KEY}
+
+tmux bind-key "$THUMBS_KEY" run-shell "${CURRENT_DIR}/tmux-thumbs.sh"