diff --git a/datafusion/physical-expr/src/analysis.rs b/datafusion/physical-expr/src/analysis.rs
index b50f814c712b..51b80b1d971b 100644
--- a/datafusion/physical-expr/src/analysis.rs
+++ b/datafusion/physical-expr/src/analysis.rs
@@ -63,7 +63,7 @@ impl AnalysisContext {
         input_schema: &Schema,
         statistics: &[ColumnStatistics],
     ) -> Result<Self> {
-        (0..statistics.len())
+        (0..input_schema.fields.len())
             .map(|idx| {
                 ExprBoundaries::try_from_column(input_schema, &statistics[idx], idx)
             })