diff --git a/setup.py b/setup.py
index 8b771b7..f6fb68b 100644
--- a/setup.py
+++ b/setup.py
@@ -160,6 +160,8 @@ class build_icons(Command):
             for filename in filenames:
                 basename = os.path.splitext(filename)[0]
                 variants = variants_applications
+                if not filename.endswith('.svg'):
+                    continue
                 if filename.startswith('action-'):
                     variants = variants_actions
                 for variant in variants: