diff --git a/compiler/luci/lang/include/luci/IR/SparsityParam.h b/compiler/luci/lang/include/luci/IR/SparsityParam.h
index 15ddeb17cff..6d72174a1ca 100644
--- a/compiler/luci/lang/include/luci/IR/SparsityParam.h
+++ b/compiler/luci/lang/include/luci/IR/SparsityParam.h
@@ -77,7 +77,7 @@ class SparseIndexVector
         break;
       }
       default:
-        std::runtime_error("Invalid SparseIndexVectorType");
+        throw std::runtime_error("Invalid SparseIndexVectorType");
     }
   }
 
@@ -109,7 +109,7 @@ class SparseIndexVector
         break;
       }
       default:
-        std::runtime_error("Invalid SparseIndexVectorType");
+        throw std::runtime_error("Invalid SparseIndexVectorType");
     }
   }