diff --git a/common/kernel/sdc.cc b/common/kernel/sdc.cc
index bc93da9b10..b1f60ddd1a 100644
--- a/common/kernel/sdc.cc
+++ b/common/kernel/sdc.cc
@@ -477,6 +477,8 @@ struct SDCParser
                     log_error("expecting SdcValue argument to -from (line %d)\n", lineno);
                 }
 
+                for (const auto& ety : val.)
+
                 if (val.list.size() != 1) {
                     log_error("Expected a single SdcEntity as argument to -to/-from (line %d)\n", lineno);
                 }