1 files changed, 5 insertions, 5 deletions

diff --git a/firmware/target/coldfire/pcm-coldfire.c b/firmware/target/coldfire/pcm-coldfire.c
index 9cd66d772a..a0d3b67f58 100644
--- a/firmware/target/coldfire/pcm-coldfire.c
+++ b/firmware/target/coldfire/pcm-coldfire.c
@@ -44,13 +44,13 @@
 /** Semi-private shared symbols **/
 
 /* the registered callback function to ask for more pcm data */
-extern pcm_more_callback_type pcm_callback_for_more;
-extern bool pcm_playing;
-extern bool pcm_paused;
+extern volatile pcm_more_callback_type pcm_callback_for_more;
+extern volatile bool pcm_playing;
+extern volatile bool pcm_paused;
 
 /* the registered callback function for when more data is available */
-extern pcm_more_callback_type pcm_callback_more_ready;
-extern bool pcm_recording;
+extern volatile pcm_more_callback_type pcm_callback_more_ready;
+extern volatile bool pcm_recording;
 
 /* peaks */
 static int play_peak_left, play_peak_right;