diff --git a/artiq/compiler/transforms/llvm_ir_generator.py b/artiq/compiler/transforms/llvm_ir_generator.py
index b39c2b5bc..b27d2c868 100644
--- a/artiq/compiler/transforms/llvm_ir_generator.py
+++ b/artiq/compiler/transforms/llvm_ir_generator.py
@@ -564,7 +564,7 @@ class LLVMIRGenerator:
                     try:
                         llrpcattrs.append(llrpcattr_of_attr(offset, attr, attrtyp))
                     except ValueError:
-                        continue
+                        pass
 
                 offset += size