1 files changed, 2 insertions, 1 deletions
diff --git a/src/resolve.c b/src/resolve.c
index 5f238e102..0abd61d39 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -579,7 +579,8 @@ static int exprProbability(Expr *p){
   double r = -1.0;
   if( p->op!=TK_FLOAT ) return -1;
   sqlite3AtoF(p->u.zToken, &r, sqlite3Strlen30(p->u.zToken), SQLITE_UTF8);
-  if( r<0.0 || r>1.0 ) return -1;
+  assert( r>=0.0 );
+  if( r>1.0 ) return -1;
   return (int)(r*1000.0);
 }