diff --git a/src/stuffy.c b/src/stuffy.c
index c023ac9..89287ed 100644
--- a/src/stuffy.c
+++ b/src/stuffy.c
@@ -176,12 +176,7 @@ void AddToArchive(char* archiveName, char* filename)
         fprintf(stderr, "%s not found.\n", filename);
         return;
     }
-    int archiveFD = OpenArchive(archiveName, O_RDWR | O_CREAT);
-    do
-    {
-        readSize = ReadSingleModuleFromArchive(archiveFD, &(module));
-        free(module.moduleData);
-    } while (readSize > 0);
+    int archiveFD = OpenArchive(archiveName, O_WRONLY | O_APPEND| O_CREAT);
     LoadModuleFromFile(filename, &module);
     strcpy(module.moduleHeader.moduleName, filenameCleaned);
     WriteSingleModuleToArchive(archiveFD, &module);
@@ -302,4 +297,4 @@ void ExtractArchive(int argc, char* argv[])
     int writeSize;
     writeSize = _ExtractArchive(argv[2], argv[3]);
     return;
-}
\ No newline at end of file
+}