diff --git a/src/onepass.jl b/src/onepass.jl
index b1ff16a..630ca18 100644
--- a/src/onepass.jl
+++ b/src/onepass.jl
@@ -1382,7 +1382,7 @@ function def_fun(e; log=false)
         $p_ocp = $pref.PreModel()
         $code
         $pref.definition!($p_ocp, $ee)
-        $pref.time_dependence!($p_ocp; autonomous=$p.is_autonomous) # not $(p.xxxx) as this info is known statically
+        $pref.time_dependence!($p_ocp; autonomous=($p.is_autonomous)) # not $(p.xxxx) as this info is known statically
     end
 
     if is_active_backend(:exa)
diff --git a/src/utils.jl b/src/utils.jl
index 360593f..788901b 100644
--- a/src/utils.jl
+++ b/src/utils.jl
@@ -134,7 +134,7 @@ function subs2(e, x, y, j; k=__symgen(:k))
                 _ => f
             end
         end
-    expr_it(e, foo(x, y, j), x -> x)
+    return expr_it(e, foo(x, y, j), x -> x)
 end
 
 """
@@ -163,7 +163,7 @@ function subs3(e, x, y, i, j)
             _ => f
         end
     end
-    expr_it(e, foo(x, y, i, j), x -> x)
+    return expr_it(e, foo(x, y, i, j), x -> x)
 end
 
 """
@@ -210,7 +210,7 @@ function subs2m(e, x, y, j; k=__symgen(:k))
                 _ => f
             end
         end
-    expr_it(e, foo(x, y, j), x -> x)
+    return expr_it(e, foo(x, y, j), x -> x)
 end
 
 """
@@ -283,7 +283,7 @@ function replace_call(e, x::Vector{<:Union{Nothing,Symbol}}, t, y)
                 _ => ee
             end
         end
-    expr_it(e, foo(x, t, y), x -> x)
+    return expr_it(e, foo(x, t, y), x -> x)
 end
 
 """
@@ -369,7 +369,7 @@ function has(e, x, t)
                 end
             end
         end
-    expr_it(e, foo(x, t), x -> x) == :yes
+    return expr_it(e, foo(x, t), x -> x) == :yes
 end
 
 """