diff --git a/lib/nodes/fpga.cpp b/lib/nodes/fpga.cpp
index 106d9b2a5..f4acd4ec6 100644
--- a/lib/nodes/fpga.cpp
+++ b/lib/nodes/fpga.cpp
@@ -118,8 +118,8 @@ int FpgaNode::parse(json_t *json) {
     vfioContainer = std::make_shared<kernel::vfio::Container>();
   }
 
-  ret = json_unpack_ex(json, &err, 0, "{ s: o, s?: o, s?: b, s?: b, s?: f}",
-                     "card", &jsonCard, "connect", &jsonConnectStrings,
+  ret = json_unpack_ex(json, &err, 0, "{ s: o, s?: o, s?: b, s?: f}", "card",
+                       &jsonCard, "connect", &jsonConnectStrings,
                        "low_latency_mode", &lowLatencyMode, "timestep",
                        &timestep);
   if (ret) {