diff --git a/src/proxy.c b/src/proxy.c
index 0dae5914..c8fcdaa6 100644
--- a/src/proxy.c
+++ b/src/proxy.c
@@ -498,17 +498,16 @@ int proxy_process(ProxyRequest *request, ProxyReply *reply)
             break;
 
         case P_NVME_INIT:
-            if (!nvme_init())
-                reply->retval = -1;
+            reply->retval = nvme_init();
             break;
         case P_NVME_SHUTDOWN:
             nvme_shutdown();
             break;
         case P_NVME_READ:
-            nvme_read(request->args[0], request->args[1], (void *)request->args[2]);
+            reply->retval = nvme_read(request->args[0], request->args[1], (void *)request->args[2]);
             break;
         case P_NVME_FLUSH:
-            nvme_flush(request->args[0]);
+            reply->retval = nvme_flush(request->args[0]);
             break;
 
         case P_MCC_HV_UNMAP_CARVEOUTS: