diff --git a/include/internal/basic_csv_parser.hpp b/include/internal/basic_csv_parser.hpp
index d76b2d9..1a584d8 100644
--- a/include/internal/basic_csv_parser.hpp
+++ b/include/internal/basic_csv_parser.hpp
@@ -320,6 +320,9 @@ namespace csv {
             void next(size_t bytes = ITERATION_CHUNK_SIZE) override {
                 if (this->eof()) return;
 
+                // Reset parser state
+                this->field_start = UNINITIALIZED_FIELD;
+                this->field_length = 0;
                 this->reset_data_ptr();
                 this->data_ptr->_data = std::make_shared<std::string>();
 
diff --git a/single_include/csv.hpp b/single_include/csv.hpp
index 811c8e1..82d7672 100644
--- a/single_include/csv.hpp
+++ b/single_include/csv.hpp
@@ -6159,6 +6159,9 @@ namespace csv {
             void next(size_t bytes = ITERATION_CHUNK_SIZE) override {
                 if (this->eof()) return;
 
+                // Reset parser state
+                this->field_start = UNINITIALIZED_FIELD;
+                this->field_length = 0;
                 this->reset_data_ptr();
                 this->data_ptr->_data = std::make_shared<std::string>();
 
diff --git a/single_include_test/csv.hpp b/single_include_test/csv.hpp
index 811c8e1..82d7672 100644
--- a/single_include_test/csv.hpp
+++ b/single_include_test/csv.hpp
@@ -6159,6 +6159,9 @@ namespace csv {
             void next(size_t bytes = ITERATION_CHUNK_SIZE) override {
                 if (this->eof()) return;
 
+                // Reset parser state
+                this->field_start = UNINITIALIZED_FIELD;
+                this->field_length = 0;
                 this->reset_data_ptr();
                 this->data_ptr->_data = std::make_shared<std::string>();