1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/tng_io.c b/src/lib/tng_io.c
index fa6d94a..9866a80 100644
--- a/src/lib/tng_io.c
+++ b/src/lib/tng_io.c
@@ -12927,7 +12927,7 @@ tng_function_status DECLSPECDLLEXPORT tng_data_block_dependency_get
 tng_function_status DECLSPECDLLEXPORT tng_data_block_num_values_per_frame_get
                 (tng_trajectory_t tng_data,
                  int64_t block_id,
-                 int *n_values_per_frame)
+                 int64_t *n_values_per_frame)
 {
     int64_t i;
     tng_function_status stat;