1 files changed, 1 insertions, 1 deletions
diff --git a/src/spellfile.c b/src/spellfile.c
index 6aeac86b85..d5ec3feadd 100644
--- a/src/spellfile.c
+++ b/src/spellfile.c
@@ -816,7 +816,7 @@ read_cnt_string(FILE *fd, int cnt_bytes, int *cntp)
 
     // read the length bytes, MSB first
     for (i = 0; i < cnt_bytes; ++i)
-	cnt = (cnt << 8) + getc(fd);
+	cnt = (cnt << 8) + (unsigned)getc(fd);
     if (cnt < 0)
     {
 	*cntp = SP_TRUNCERROR;