diff --git a/shared/tasks/scripts.mjs b/shared/tasks/scripts.mjs
index 8eb1276f04..c76b01b203 100644
--- a/shared/tasks/scripts.mjs
+++ b/shared/tasks/scripts.mjs
@@ -94,7 +94,8 @@ export async function compileJavaScript([
           preserveModulesRoot: relative(basePath, srcPath),
 
           // Enable source maps
-          sourcemap: true
+          sourcemap: true,
+          sourcemapExcludeSources: !!output.preserveModules
         })
       })
     )
diff --git a/shared/tasks/styles.mjs b/shared/tasks/styles.mjs
index fbc34aa05c..2d2bc0f914 100644
--- a/shared/tasks/styles.mjs
+++ b/shared/tasks/styles.mjs
@@ -70,7 +70,8 @@ export async function compileStylesheet([
      */
     map: {
       annotation: true,
-      inline: false
+      inline: false,
+      sourcesContent: false
     }
   }
 
@@ -113,6 +114,7 @@ export async function compileStylesheet([
     // Pass source maps to PostCSS
     if (typeof options.map === 'object') {
       options.map.prev = map
+      options.map.sourcesContent = true
     }
   }