diff --git a/library/mps_reader.h b/library/mps_reader.h
index 61027d9..d1cad7f 100644
--- a/library/mps_reader.h
+++ b/library/mps_reader.h
@@ -311,7 +311,7 @@
  * \return          A negative \c MBEDTLS_ERR_READER_XXX error code on failure.
  */
 int mbedtls_mps_reader_reclaim( mbedtls_mps_reader *reader,
-                                mbedtls_mps_size_t *paused );
+                                int *paused );
 
 /*
  * Usage API (Upper layer)