diff --git a/src/main.c b/src/main.c
index 3cb7bad..9828072 100644
--- a/src/main.c
+++ b/src/main.c
@@ -46,8 +46,8 @@
 #define SIN_PHASE          (0u)
 #define COS_PHASE          (3u << 30)
 
-static uint32_t lo_cos[LO_WORDS] __attribute__((__aligned__(1 << LO_BITS_DEPTH)));
-static uint32_t lo_sin[LO_WORDS] __attribute__((__aligned__(1 << LO_BITS_DEPTH)));
+static uint32_t lo_cos[LO_WORDS] __aligned(1 << LO_BITS_DEPTH);
+static uint32_t lo_sin[LO_WORDS] __aligned(1 << LO_BITS_DEPTH);
 
 #define INIT_SAMPLE_RATE 100000
 #define INIT_FREQ        94600000