diff --git a/threading.c b/threading.c
index 4ba28bd..b7590e8 100644
--- a/threading.c
+++ b/threading.c
@@ -277,6 +277,16 @@ void *thread_btm(){
 
 		char size_index = -1;
 
+		pthread_mutex_lock(&mutex_mid);
+		unsigned long i;
+		unsigned long total_dir_size = 0;
+		for(i = 0; i < mid_file_count; i++) {
+			if (!(mid_content[i].file_type & (FILE_TYPE_DIR | FILE_TYPE_SYMLINK))) {
+				total_dir_size += mid_content[i].file_size;
+			}
+		}
+		pthread_mutex_unlock(&mutex_mid);
+
 		do {
 			parsed_number=disk_size_free;
 			disk_size_free /= 1024;
@@ -286,9 +296,25 @@ void *thread_btm(){
 
 		snprintf(float_str, 10, "%0.2lf", parsed_number);
 
-		memcpy(btm_buffer + (offset_back - strlen(float_str) - 1), float_str, strlen(float_str));
 		btm_buffer[offset_back - 2] = size_unit[(unsigned)size_index];
+		offset_back -= strlen(float_str) + 2;
+		memcpy(btm_buffer + offset_back, float_str, strlen(float_str));
 
+		parsed_number = 0;
+		size_index = -1;
+		do {
+			parsed_number=total_dir_size;
+			total_dir_size /= 1024;
+			size_index++;
+		} while (total_dir_size > 1 && size_index < size_unit_count);
+
+		offset_back -= strlen(ui_btm_current_dir_size) + 5;
+		memcpy(btm_buffer + offset_back, ui_btm_current_dir_size, strlen(ui_btm_current_dir_size));
+
+		snprintf(float_str, 10, "%0.2lf", parsed_number);
+		btm_buffer[offset_back - 2] = size_unit[(unsigned)size_index];
+		offset_back -= strlen(float_str) + 2;
+		memcpy(btm_buffer + offset_back, float_str, strlen(float_str));
 
 		pthread_mutex_unlock(&mutex_btm);
 	}