diff --git a/fftma_module/gen/lib_src/chunk_array.c b/fftma_module/gen/lib_src/chunk_array.c
index 7c390c4..c1552b8 100644
--- a/fftma_module/gen/lib_src/chunk_array.c
+++ b/fftma_module/gen/lib_src/chunk_array.c
@@ -57,7 +57,7 @@ chunk_array_t* chunk_array_create(char* filename, size_t total_size) {
         return NULL;
     }
 
-    fread(chunk_array->data, sizeof(double), MAX_CHUNK_SIZE, chunk_array->fp);
+    fread(chunk_array->data, sizeof(double), chunk_array->chunk_size, chunk_array->fp);
 
     chunk_array->filename = filename;
     chunk_array->init_pos = 0;