diff --git a/Cargo.lock b/Cargo.lock
index 41688ae..ae6cc48 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -541,7 +541,7 @@ dependencies = [
 
 [[package]]
 name = "quickemu-rs"
-version = "0.6.0"
+version = "0.6.1"
 dependencies = [
  "anyhow",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index dcdf4a2..73b0fe3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "quickemu-rs"
-version = "0.6.0"
+version = "0.6.1"
 edition = "2021"
 
 [dependencies]
diff --git a/src/config.rs b/src/config.rs
index a77f83e..995db41 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -63,7 +63,7 @@ pub struct ConfigFile {
     pub network: Network,
     pub port_forwards: Option<Vec<PortForward>>,
     pub public_dir: Option<String>,
-    #[serde(deserialize_with = "deserialize_size")]
+    #[serde(deserialize_with = "deserialize_size", default)]
     pub ram: Option<u64>,
     #[serde(default, skip_serializing_if = "is_default")]
     pub tpm: bool,