diff --git a/fpga/include/villas/fpga/card.hpp b/fpga/include/villas/fpga/card.hpp
index 3ec43384a..05da013a1 100644
--- a/fpga/include/villas/fpga/card.hpp
+++ b/fpga/include/villas/fpga/card.hpp
@@ -8,7 +8,13 @@
  * SPDX-License-Identifier: Apache-2.0
  *********************************************************************************/
  
+namespace villas {
+namespace fpga {
+
 class Card {
 public:
 	
-};
\ No newline at end of file
+};
+
+} /* namespace fpga */
+} /* namespace villas */
\ No newline at end of file