diff --git a/README.md b/README.md
index 229bdf4..8c81976 100644
--- a/README.md
+++ b/README.md
@@ -92,7 +92,7 @@ Download and compile recent Monero into your home folder:
 # first install monero dependecines
 sudo apt update
 
-sudo apt install git build-essential cmake libboost-all-dev miniupnpc libunbound-dev graphviz doxygen libunwind8-dev pkg-config libssl-dev libcurl4-openssl-dev libgtest-dev libreadline-dev libzmq3-dev
+sudo apt install git build-essential cmake libboost-all-dev miniupnpc libunbound-dev graphviz doxygen libunwind8-dev pkg-config libssl-dev libcurl4-openssl-dev libgtest-dev libreadline-dev libzmq3-dev libsodium-dev
 
 # go to home folder 
 cd ~
diff --git a/src/CmdLineOptions.cpp b/src/CmdLineOptions.cpp
index 9aec77f..d97bc7f 100644
--- a/src/CmdLineOptions.cpp
+++ b/src/CmdLineOptions.cpp
@@ -33,7 +33,7 @@ namespace xmreg
                  "enable key images file checker")
                 ("enable-output-key-checker", value<bool>()->default_value(false)->implicit_value(true),
                  "enable outputs key file checker")
-                ("enable-json-api", value<bool>()->default_value(true),
+                ("enable-json-api", value<bool>()->default_value(true)->implicit_value(true),
                  "enable JSON REST api")
                 ("enable-tx-cache", value<bool>()->default_value(false)->implicit_value(true),
                  "enable caching of transaction details")