diff --git a/src/binary_c_python_api.c b/src/binary_c_python_api.c
index 5686c8c0f09759537d4fb9e88ead78fe1e4cfa2a..78381ce98f495a6b07fbb6f594d3cf209c8ee6f0 100644
--- a/src/binary_c_python_api.c
+++ b/src/binary_c_python_api.c
@@ -399,7 +399,7 @@ long int return_persistent_data_memaddr(char * argstring,
 
     struct libbinary_c_stardata_t *stardata = NULL;
     struct libbinary_c_store_t * store = NULL;
-    struct libbinary_c_persistent_data_t * persistent_data = NULL; // TODO: change persistent_data_t to libbinary_c_persistent_data_t
+    struct libbinary_c_persistent_data_t * persistent_data = NULL; 
 
     /* make new stardata */
     stardata = NULL;
@@ -419,9 +419,10 @@ long int return_persistent_data_memaddr(char * argstring,
     binary_c_error_buffer(stardata, error_buffer);
         
     /* convert the pointer */
-    uintptr_t persistent_data_memaddr_int = (uintptr_t)persistent_data; // C Version converting ptr to int
-    printf("persistent_data is at address: %p\n", (void*)&persistent_data);
+    uintptr_t persistent_data_memaddr_int = (uintptr_t)stardata->persistent_data; // C Version converting ptr to int
+    printf("persistent_data is at address: %p\n", (void*)stardata->persistent_data);
     printf("persistent_data_memaddr_int: %lu\n", persistent_data_memaddr_int);
+
     
     /* free stardata (except the buffer) */
     binary_c_free_memory(&stardata, // Stardata