diff --git a/pythonbpf/functions_pass.py b/pythonbpf/functions_pass.py
index e343aa3..a8f106a 100644
--- a/pythonbpf/functions_pass.py
+++ b/pythonbpf/functions_pass.py
@@ -385,7 +385,7 @@ def process_stmt(
         )
     elif isinstance(stmt, ast.Return):
         if stmt.value is None:
-            builder.ret(ir.Constant(ir.IntType(32), 0))
+            builder.ret(ir.Constant(ir.IntType(64), 0))
             did_return = True
         elif (
             isinstance(stmt.value, ast.Call)
@@ -582,7 +582,7 @@ def process_func_body(
         )
 
     if not did_return:
-        builder.ret(ir.Constant(ir.IntType(32), 0))
+        builder.ret(ir.Constant(ir.IntType(64), 0))
 
 
 def process_bpf_chunk(func_node, module, return_type, map_sym_tab, structs_sym_tab):
diff --git a/tests/failing_tests/var_rval.py b/tests/passing_tests/var_rval.py
similarity index 55%
rename from tests/failing_tests/var_rval.py
rename to tests/passing_tests/var_rval.py
index 38d993e..3fd2c10 100644
--- a/tests/failing_tests/var_rval.py
+++ b/tests/passing_tests/var_rval.py
@@ -1,4 +1,6 @@
-from pythonbpf import compile, bpf, section, bpfglobal
+import logging
+
+from pythonbpf import compile, bpf, section, bpfglobal, compile_to_ir
 from ctypes import c_void_p, c_int64
 
 
@@ -14,5 +16,5 @@ def sometag(ctx: c_void_p) -> c_int64:
 def LICENSE() -> str:
     return "GPL"
 
-
-compile()
+compile_to_ir("var_rval.py", "var_rval.ll")
+compile(loglevel=logging.INFO)