diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index 4f1f4cfbd..bcee11321 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -224,7 +224,7 @@
 #elif defined(PCBSKY9X)
   #define __DMA __attribute__((aligned(32)))
 #elif defined(STM32F4)
-  #define __DMA __attribute__((section(".ram")) __attribute__((aligned(32))))
+  #define __DMA __attribute__((section(".ram"), aligned(32)))
 #else
   #define __DMA __attribute__((aligned(32))) 
 #endif