1 files changed, 1 insertions, 0 deletions

diff --git a/src/mtstate.c b/src/mtstate.c
index 771048d..e24a1e8 100644
--- a/src/mtstate.c
+++ b/src/mtstate.c
@@ -76,6 +76,7 @@ void extract_mtstate(struct MTState *s,
 {
         int i;
         s->nfinger = 0;
+        s->thumb = 0;
         foreach_bit(i, hs->used) {
                 if (!touching_finger(&hs->data[i], caps))
                         continue;