diff --git a/ext-net/example/nccl/net_v3.h b/ext-net/example/nccl/net_v3.h
index 26d117c..db1287b 100644
--- a/ext-net/example/nccl/net_v3.h
+++ b/ext-net/example/nccl/net_v3.h
@@ -5,7 +5,6 @@
 #ifndef NCCL_NET_V3_H_
 #define NCCL_NET_V3_H_
 
-#define NCCL_NET_HANDLE_MAXSIZE_V3 64
 #define NCCL_NET_MAX_REQUESTS_V3 16
 
 typedef ncclNetProperties_v4_t ncclNetProperties_v3_t;
diff --git a/ext-net/example/nccl/net_v4.h b/ext-net/example/nccl/net_v4.h
index b39da14..efe4824 100644
--- a/ext-net/example/nccl/net_v4.h
+++ b/ext-net/example/nccl/net_v4.h
@@ -5,6 +5,8 @@
 #ifndef NCCL_NET_V4_H_
 #define NCCL_NET_V4_H_
 
+#define NCCL_NET_HANDLE_MAXSIZE_V4 64
+
 typedef struct {
   char* name;     // Used mostly for logging.
   char* pciPath;  // Path to the PCI device in /sys.