diff --git a/src/descriptors/dct.rs b/src/descriptors/dct.rs
index 2e04c8a..a9144c7 100644
--- a/src/descriptors/dct.rs
+++ b/src/descriptors/dct.rs
@@ -26,7 +26,7 @@ impl DCT {
         let scalar: f32 = match quality {
             1..=49 => 5000.0/quality as f32,
             50..=100 => 200.0 - 2.0*quality as f32,
-            _ => 1.0 //TODO: error
+            _ => 100.0 // Invalid input: set to base quality
         };
         for i in 0..64 {
             quantization_matrix[i] = ((scalar * self.quantization_matrix[i] as f32 + 50.0) / 100.0).floor() as u8;
diff --git a/src/store.rs b/src/store.rs
index 23e3fd6..63ae6dc 100644
--- a/src/store.rs
+++ b/src/store.rs
@@ -55,7 +55,6 @@ impl DescriptorStore {
 		self.map.insert(key, value);
 	}
 
-
 	/// Calculates all descriptions with a given descriptor 
 	pub fn insert_directory<T: Descriptor, U: AsRef<Path>>(&mut self, dir: U, desc: T) {
 		for node in fs::read_dir(dir).unwrap() {