diff --git a/opshin/compiler.py b/opshin/compiler.py
index f43956f4..3e8bd315 100644
--- a/opshin/compiler.py
+++ b/opshin/compiler.py
@@ -360,7 +360,7 @@ def visit_Module(self, node: TypedModule) -> plt.AST:
         return cp
 
     def visit_Constant(self, node: TypedConstant) -> plt.AST:
-        if isinstance(node.value, bytes):
+        if isinstance(node.value, bytes) and node.value != b"":
             try:
                 bytes.fromhex(node.value.decode())
             except ValueError: