diff --git a/conf/src/lib.rs b/conf/src/lib.rs
index 15ea6f16953eb3d9eaaf86c4688c344956b417ff..24e9d20adb0aca0052174154416c135024141d65 100644
--- a/conf/src/lib.rs
+++ b/conf/src/lib.rs
@@ -60,13 +60,18 @@ pub fn load_module_conf<C: Default + DeserializeOwned>(
         if let Ok(conf) = envy::prefixed(format!("DUNITER_{}_", module_name)).from_env::<C>() {
             Ok(conf)
         } else {
-            let conf_file_path = find_module_conf_file_path(module_name, profile_path);
-            let mut file = std::fs::File::open(conf_file_path)?;
-            let mut contents = String::new();
-            use std::io::Read as _;
-            file.read_to_string(&mut contents)?;
-            Ok(serde_json::from_str::<C>(&contents)
-                .with_context(|| format!("Invalid configuration for module '{}'", module_name))?)
+            let conf_file_path = find_module_conf_file_path(module_name, profile_path)?;
+            if conf_file_path.exists() {
+                let mut file = std::fs::File::open(conf_file_path)?;
+                let mut contents = String::new();
+                use std::io::Read as _;
+                file.read_to_string(&mut contents)?;
+                Ok(serde_json::from_str::<C>(&contents).with_context(|| {
+                    format!("Invalid configuration for module '{}'", module_name)
+                })?)
+            } else {
+                Ok(C::default())
+            }
         }
     } else {
         Ok(C::default())
@@ -78,7 +83,7 @@ pub fn write_module_conf<C: Default + Serialize>(
     module_name: &'static str,
     profile_path: &Path,
 ) -> anyhow::Result<()> {
-    let conf_file_path = find_module_conf_file_path(module_name, profile_path);
+    let conf_file_path = find_module_conf_file_path(module_name, profile_path)?;
 
     let contents = serde_json::to_string_pretty(&module_conf)?;
 
@@ -92,15 +97,19 @@ pub fn write_module_conf<C: Default + Serialize>(
 fn find_module_conf_file_path(
     module_name: &'static str,
     profile_path: &std::path::Path,
-) -> PathBuf {
+) -> anyhow::Result<PathBuf> {
     if let Some(conf_home) = std::env::var_os("DUNITER_CONF_HOME") {
         let conf_home_path = PathBuf::from(conf_home);
-        conf_home_path
-            .join(MODULES_CONF_PATH)
-            .join(format!("{}.conf", module_name))
+        let path = conf_home_path.join(MODULES_CONF_PATH);
+        if !path.exists() {
+            std::fs::create_dir(&path)?;
+        }
+        Ok(path.join(format!("{}.conf", module_name)))
     } else {
-        profile_path
-            .join(MODULES_CONF_PATH)
-            .join(format!("{}.conf", module_name))
+        let path = profile_path.join(MODULES_CONF_PATH);
+        if !path.exists() {
+            std::fs::create_dir(&path)?;
+        }
+        Ok(path.join(format!("{}.conf", module_name)))
     }
 }