diff --git a/CHANGELOG.md b/CHANGELOG.md
index 090a263..1196859 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,3 +4,4 @@
 - first working version
 - run the save script in the background
 - do not start saving right after tmux is started
+- add a check for tmux version to the initializer script
diff --git a/resurrect_auto.tmux b/resurrect_auto.tmux
index 769e843..ea4d7f7 100755
--- a/resurrect_auto.tmux
+++ b/resurrect_auto.tmux
@@ -15,9 +15,11 @@ add_resurrect_save_interpolation() {
 }
 
 main() {
-	# Don't start saving right after tmux is started.
-	# We wanna give user a chance to restore previous session.
-	set_last_save_timestamp
-	add_resurrect_save_interpolation
+	if supported_tmux_version_ok; then
+		# Don't start saving right after tmux is started.
+		# We wanna give user a chance to restore previous session.
+		set_last_save_timestamp
+		add_resurrect_save_interpolation
+	fi
 }
 main
diff --git a/scripts/resurrect_auto_save.sh b/scripts/resurrect_auto_save.sh
index 735bd87..608d882 100755
--- a/scripts/resurrect_auto_save.sh
+++ b/scripts/resurrect_auto_save.sh
@@ -6,10 +6,6 @@ source "$CURRENT_DIR/helpers.sh"
 source "$CURRENT_DIR/variables.sh"
 source "$CURRENT_DIR/shared.sh"
 
-supported_tmux_version_ok() {
-	$CURRENT_DIR/check_tmux_version.sh "$SUPPORTED_VERSION"
-}
-
 enough_time_since_last_run_passed() {
 	local last_saved_timestamp="$(get_tmux_option "$last_auto_save_option" "0")"
 	local interval_minutes="$(get_tmux_option "$auto_save_interval_option" "$auto_save_interval_default")"
diff --git a/scripts/shared.sh b/scripts/shared.sh
index 5ac8885..18858be 100644
--- a/scripts/shared.sh
+++ b/scripts/shared.sh
@@ -5,3 +5,7 @@ current_timestamp() {
 set_last_save_timestamp() {
 	set_tmux_option "$last_auto_save_option" "$(current_timestamp)"
 }
+
+supported_tmux_version_ok() {
+	$CURRENT_DIR/check_tmux_version.sh "$SUPPORTED_VERSION"
+}