diff --git a/src/openklant/conf/base.py b/src/openklant/conf/base.py
index 1434d9572..bc61cfb05 100644
--- a/src/openklant/conf/base.py
+++ b/src/openklant/conf/base.py
@@ -205,6 +205,8 @@
     "django.contrib.staticfiles.finders.AppDirectoriesFinder",
 ]
 
+STATICFILES_STORAGE = "openklant.conf.staticstorage.NoSourceMapsStorage"
+
 MEDIA_ROOT = os.path.join(BASE_DIR, "media")
 
 MEDIA_URL = "/media/"
diff --git a/src/openklant/conf/staticstorage.py b/src/openklant/conf/staticstorage.py
new file mode 100644
index 000000000..581887262
--- /dev/null
+++ b/src/openklant/conf/staticstorage.py
@@ -0,0 +1,16 @@
+from django.contrib.staticfiles.storage import ManifestStaticFilesStorage
+
+
+class NoSourceMapsStorage(ManifestStaticFilesStorage):
+    patterns = (
+        (
+            "*.css",
+            (
+                "(?P<matched>url\\(['\"]{0,1}\\s*(?P<url>.*?)[\"']{0,1}\\))",
+                (
+                    "(?P<matched>@import\\s*[\"']\\s*(?P<url>.*?)[\"'])",
+                    '@import url("%(url)s")',
+                ),
+            ),
+        ),
+    )