diff --git a/src/komodo_nSPV.h b/src/komodo_nSPV.h
index fe4d784cb9f..f1cd6b2d9a2 100644
--- a/src/komodo_nSPV.h
+++ b/src/komodo_nSPV.h
@@ -441,8 +441,10 @@ int32_t NSPV_rwremoterpcresp(int32_t rwflag,uint8_t *serialized,struct NSPV_remo
 
 void NSPV_remoterpc_purge(struct NSPV_remoterpcresp *ptr)
 {
-    if ( ptr != 0 )
+    if ( ptr != 0 )  {
+        if (ptr->json) free (ptr->json);
         memset(ptr,0,sizeof(*ptr));
+    }
 }
 
 // useful utility functions
diff --git a/src/komodo_nSPV_defs.h b/src/komodo_nSPV_defs.h
index 40d9dc02229..6d44fa732a5 100644
--- a/src/komodo_nSPV_defs.h
+++ b/src/komodo_nSPV_defs.h
@@ -185,8 +185,9 @@ struct NSPV_CCmtxinfo
 
 struct NSPV_remoterpcresp
 {
+    NSPV_remoterpcresp() { method[0] = '\0'; json = nullptr; }
     char method[64];
-    char json[11000];
+    char *json;
 };
 
 #endif // KOMODO_NSPV_DEFSH
diff --git a/src/komodo_nSPV_fullnode.h b/src/komodo_nSPV_fullnode.h
index ea6156a5b2c..9a4362c1c80 100644
--- a/src/komodo_nSPV_fullnode.h
+++ b/src/komodo_nSPV_fullnode.h
@@ -688,6 +688,9 @@ int32_t NSPV_remoterpc(struct NSPV_remoterpcresp *ptr,char *json,int n)
         {
             rpc_result = JSONRPCReplyObj(result, NullUniValue, jreq.id);
             response=rpc_result.write();
+            ptr->json = (char*)malloc(response.size());
+            if (ptr->json == nullptr)
+                throw JSONRPCError(RPC_OUT_OF_MEMORY, "Cannot allocate memory for response");
             memcpy(ptr->json,response.c_str(),response.size());
             len+=response.size();
             return (len);
@@ -709,6 +712,7 @@ int32_t NSPV_remoterpc(struct NSPV_remoterpcresp *ptr,char *json,int n)
         rpc_result = JSONRPCReplyObj(NullUniValue,JSONRPCError(RPC_PARSE_ERROR, e.what()), jreq.id);
         response=rpc_result.write();
     }
+    ptr->json = (char*)malloc(response.size());  // only not a big size error responses are here
     memcpy(ptr->json,response.c_str(),response.size());
     len+=response.size();
     return (len);