diff --git a/src/script_fmt/genus_tcl.tera b/src/script_fmt/genus_tcl.tera
index e46a504e..ade1626f 100644
--- a/src/script_fmt/genus_tcl.tera
+++ b/src/script_fmt/genus_tcl.tera
@@ -1,8 +1,10 @@
 # {{ HEADER_AUTOGEN }}
-if [ info exists search_path ] {{ '{{' }}
-  set search_path_initial $search_path
-{{ '}}' }}
-set ROOT = "{{ root }}"
+if [ info exists search_path ] {
+    set search_path_initial $search_path
+} else {
+    set search_path_initial {}
+}
+set ROOT "{{ root }}"
 {% if compilation_mode == 'separate' %}{% for group in srcs %}
 set search_path $search_path_initial
 {% for incdir in group.incdirs %}lappend search_path "$ROOT{{ incdir | replace(from=root, to='') }}"