diff --git a/src/Finish.ml b/src/Finish.ml
index 9bd6ff5..f07eeb6 100644
--- a/src/Finish.ml
+++ b/src/Finish.ml
@@ -230,7 +230,8 @@ let rec finish_term (t : S.term) : C.stmt =
       )
   | S.IfZero (expr, tIf, tElse) ->
       T.IfElse (
-        finish_value expr,
+        T.Op2(T.K.Eq, to_int @@ finish_value expr,
+            T.Constant(T.K.Int32, "0")),
         finish_term tIf,
         finish_term tElse)
   | S.Swi (v, bs) ->
diff --git a/src/tests/simple_if.exp b/src/tests/simple_if.exp
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/src/tests/simple_if.exp
@@ -0,0 +1 @@
+1
diff --git a/src/tests/simple_if.lambda b/src/tests/simple_if.lambda
new file mode 100644
index 0000000..3727bf9
--- /dev/null
+++ b/src/tests/simple_if.lambda
@@ -0,0 +1 @@
+ifzero 42 then print 0 else print 1