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-rw-r--r--digital/io/src/sharp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/digital/io/src/sharp.c b/digital/io/src/sharp.c
index 6330d121..f5f80152 100644
--- a/digital/io/src/sharp.c
+++ b/digital/io/src/sharp.c
@@ -92,7 +92,7 @@ sharp_update_interpreted (uint8_t sharp_id)
}
/* Otherwise, check if this sharp value has been the same
* SHARP_FILTER_NUMBER times */
- else if (sharp_filter_[sharp_id]-- == 0)
+ else if (--sharp_filter_[sharp_id] == 0)
{
/* Current value change (for SHARP_FILTER_NUMBER times)! */
/* Update previous value */