diff --git a/src/graph/dynamic/mod.rs b/src/graph/dynamic/mod.rs
index 535dd32..06f0f79 100644
--- a/src/graph/dynamic/mod.rs
+++ b/src/graph/dynamic/mod.rs
@@ -23,7 +23,7 @@ mod read_map;
 #[derive(Serialize, Deserialize, Clone, JsonSchema)]
 pub struct DynamicNode {
     pub wasm_file_path: String,
-    pub input_file_paths: Vec<String>,
+    pub input_file_paths: HashMap<String, String>,
     pub output_file: String,
 }
 
@@ -46,7 +46,7 @@ impl RunnableNode for DynamicNodeRunner {
         );
         let bindings = Dynamic::instantiate(&mut store, &component, &linker)?;
         let read_map = store.data_mut().resources.push(ReadMapData { data: HashMap::new() })?;
-        let readers = store.data_mut().resources.push(CsvReadersData { readers: HashMap::new() })?;
+        let readers = store.data_mut().resources.push(CsvReadersData { readers: self.dynamic_node.input_file_paths.clone() })?;
         let writer = CsvWriterData::new(self.dynamic_node.output_file.clone())?;
         let writer = store.data_mut().resources.push(writer)?;
         bindings.call_evaluate(&mut store, read_map, readers, writer)?;