diff --git a/drivers/fpga/dfl.h b/drivers/fpga/dfl.h
index 4a9a33cd9979..74784d3cfe7c 100644
--- a/drivers/fpga/dfl.h
+++ b/drivers/fpga/dfl.h
@@ -235,7 +235,7 @@ struct dfl_feature_platform_data {
 	int open_count;
 	void *private;
 	int num;
-	struct dfl_feature features[0];
+	struct dfl_feature features[];
 };
 
 static inline