diff --git a/Cargo.lock b/Cargo.lock
index 4821047..66a8cdf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -189,6 +189,7 @@ dependencies = [
  "cazan-common",
  "cprint",
  "crossterm",
+ "glob",
  "image 0.25.1",
  "open",
  "plotters",
@@ -654,6 +655,12 @@ dependencies = [
  "weezl",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
 [[package]]
 name = "half"
 version = "2.4.1"
diff --git a/Cargo.toml b/Cargo.toml
index 963f36f..92c39e2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,4 +19,5 @@ serde = { version = "1.0.203", features = ["derive"] }
 semver = {  version = "1.0.23", features = ["serde"] }
 sha2 = "0.10.8"
 plotters = "0.3.6"
-open = "5.2.0"
\ No newline at end of file
+open = "5.2.0"
+glob = "0.3.1"
\ No newline at end of file
diff --git a/src/cli/init.rs b/src/cli/init.rs
index 7404c7a..c7162ea 100644
--- a/src/cli/init.rs
+++ b/src/cli/init.rs
@@ -27,6 +27,7 @@ impl SubCommandTrait for Init {
             authors: Vec::new(),
             use_autoplay_for_multimedia: None,
             rdp_epsilon: None,
+            assets: Some(vec![]),
             plugins: Some(vec![]),
         };
 
diff --git a/src/cli/prebuild.rs b/src/cli/prebuild.rs
index 4b72156..992e830 100644
--- a/src/cli/prebuild.rs
+++ b/src/cli/prebuild.rs
@@ -18,6 +18,7 @@ use cazan_common::{image::ImageEdgesParser, triangulation::triangulate};
 
 use argh::FromArgs;
 use cprint::{ceprintln, cformat, cprintln};
+use glob::glob;
 use image::GenericImageView;
 use plotters::prelude::*;
 use serde_json::{json, Value};
@@ -31,8 +32,12 @@ const DEFAULT_EPSILON: f64 = 3.0;
     description = "pre-build the assets of your project"
 )]
 pub struct PreBuild {
-    #[argh(option, short = 'a', description = "asset directories")]
-    pub asset_dirs: Vec<String>,
+    #[argh(
+        option,
+        short = 'a',
+        description = "the assets of your project (ex: assets/sprite-*.png"
+    )]
+    pub assets: Vec<String>,
 
     #[argh(
         option,
@@ -55,20 +60,6 @@ pub struct PreBuild {
     pub open: bool,
 }
 
-fn read_dir_recursive(dir: &std::path::Path) -> Vec<std::path::PathBuf> {
-    let mut files = Vec::new();
-    for entry in fs::read_dir(dir).unwrap() {
-        let entry = entry.unwrap();
-        let path = entry.path();
-        if path.is_dir() {
-            files.extend(read_dir_recursive(&path));
-        } else {
-            files.push(path);
-        }
-    }
-    files
-}
-
 impl SubCommandTrait for PreBuild {
     fn run(&self) -> ExitCode {
         if self.open && !self.preview {
@@ -92,18 +83,23 @@ impl SubCommandTrait for PreBuild {
             cprintln!("Warning lock file is not up-to-date with cazan.json. To update it use `cazan lock`" => Yellow);
         }
 
-        let files = self
-            .asset_dirs
-            .iter()
-            .flat_map(|dir| read_dir_recursive(dir.as_ref()))
-            .collect::<Vec<PathBuf>>();
+        let assets = if self.assets.is_empty() {
+            config.assets.unwrap_or_default()
+        } else {
+            self.assets.iter().map(|s| s.as_str()).collect()
+        };
 
-        let files: Vec<PathBuf> = files
+        let files: Vec<PathBuf> = assets
             .iter()
+            .flat_map(|pattern| glob(pattern).expect("Failed to read pattern"))
+            .map(|entry| entry.unwrap_or_else(|_| PathBuf::new()))
             .filter(|file| file.extension().map_or(false, |ext| ext == "png"))
-            .cloned()
             .collect();
 
+        if files.is_empty() {
+            return ExitCode::SUCCESS;
+        }
+
         let mut map = serde_json::Map::<String, Value>::new();
         let terminal: Arc<Mutex<SubTerminal>> =
             Arc::new(Mutex::new(SubTerminal::new(files.len() as u16)));
diff --git a/src/config.rs b/src/config.rs
index b189e87..be64064 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -15,6 +15,7 @@ pub struct Config<'a> {
     pub use_autoplay_for_multimedia: Option<bool>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub rdp_epsilon: Option<f64>,
+    pub assets: Option<Vec<&'a str>>,
     pub plugins: Option<Vec<PluginConfig<'a>>>,
 }