diff --git a/src/cache.rs b/src/cache.rs
index a6cf4d5e..dccb77e2 100644
--- a/src/cache.rs
+++ b/src/cache.rs
@@ -204,9 +204,10 @@ impl Output {
             }
 
             // fetch the sources for the `cache` section
-            // TODO store them as finalized?!
-            fetch_sources(
-                &cache.source,
+            let rendered_sources = fetch_sources(
+                self.finalized_cache_sources
+                    .as_ref()
+                    .unwrap_or(&cache.source),
                 &self.build_configuration.directories,
                 &self.system_tools,
                 tool_configuration,
@@ -312,6 +313,7 @@ impl Output {
 
             Ok(Output {
                 finalized_cache_dependencies: Some(finalized_dependencies),
+                finalized_cache_sources: Some(rendered_sources),
                 ..self
             })
         } else {
diff --git a/src/lib.rs b/src/lib.rs
index 22a9cd65..4d8972a3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -373,8 +373,9 @@ pub async fn get_build_output(
                 force_colors: args.color_build_log && console::colors_enabled(),
             },
             finalized_dependencies: None,
-            finalized_cache_dependencies: None,
             finalized_sources: None,
+            finalized_cache_dependencies: None,
+            finalized_cache_sources: None,
             system_tools: SystemTools::new(),
             build_summary: Arc::new(Mutex::new(BuildSummary::default())),
             extra_meta: Some(
diff --git a/src/metadata.rs b/src/metadata.rs
index 799a10c1..1fce87d1 100644
--- a/src/metadata.rs
+++ b/src/metadata.rs
@@ -404,13 +404,18 @@ pub struct Output {
     /// dependencies have not been resolved yet. During the `run_build`
     /// functions, the dependencies are resolved and this field is filled.
     pub finalized_dependencies: Option<FinalizedDependencies>,
-    /// The finalized dependencies from the cache (if there is a cache
-    /// instruction)
-    pub finalized_cache_dependencies: Option<FinalizedDependencies>,
     /// The finalized sources for this output. Contain the exact git hashes for
     /// the sources that are used to build this output.
     pub finalized_sources: Option<Vec<Source>>,
 
+    /// The finalized dependencies from the cache (if there is a cache
+    /// instruction)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub finalized_cache_dependencies: Option<FinalizedDependencies>,
+    /// The finalized sources from the cache (if there is a cache instruction)
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub finalized_cache_sources: Option<Vec<Source>>,
+
     /// Summary of the build
     #[serde(skip)]
     pub build_summary: Arc<Mutex<BuildSummary>>,
diff --git a/src/source/mod.rs b/src/source/mod.rs
index 6e231ba7..c3f44a56 100644
--- a/src/source/mod.rs
+++ b/src/source/mod.rs
@@ -288,29 +288,19 @@ impl Output {
         let span = tracing::info_span!("Fetching source code");
         let _enter = span.enter();
 
-        if let Some(finalized_sources) = &self.finalized_sources {
-            fetch_sources(
-                finalized_sources,
-                &self.build_configuration.directories,
-                &self.system_tools,
-                tool_configuration,
-            )
-            .await?;
-
-            Ok(self)
-        } else {
-            let rendered_sources = fetch_sources(
-                &self.recipe.sources(),
-                &self.build_configuration.directories,
-                &self.system_tools,
-                tool_configuration,
-            )
-            .await?;
-
-            Ok(Output {
-                finalized_sources: Some(rendered_sources),
-                ..self
-            })
-        }
+        let rendered_sources = fetch_sources(
+            self.finalized_sources
+                .as_deref()
+                .unwrap_or(self.recipe.sources()),
+            &self.build_configuration.directories,
+            &self.system_tools,
+            tool_configuration,
+        )
+        .await?;
+
+        Ok(Output {
+            finalized_sources: Some(rendered_sources),
+            ..self
+        })
     }
 }