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-rw-r--r--src/drive.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drive.h b/src/drive.h
index a555f15..7d1daae 100644
--- a/src/drive.h
+++ b/src/drive.h
@@ -13,7 +13,7 @@ extern const uint8_t GCR_CONV[16];
 typedef struct drive_s {
 	volatile bool spinning;
 	uint16_t timer;
-	uint8_t *image;
+	volatile uint8_t *volatile image;
 
 	volatile uint8_t track;
 	volatile uint8_t halftrack;