diff --git a/filesystem/pak.c b/filesystem/pak.c
index 8ca8b415..911458d3 100644
--- a/filesystem/pak.c
+++ b/filesystem/pak.c
@@ -69,7 +69,7 @@ struct pack_s
 {
 	file_t *handle;
 	int		numfiles;
-	dpackfile_t files[1]; // flexible
+	dpackfile_t files[]; // flexible
 };
 
 /*
@@ -150,7 +150,7 @@ static pack_t *FS_LoadPackPAK( const char *packfile, int *error )
 		return NULL;
 	}
 
-	pack = (pack_t *)Mem_Calloc( fs_mempool, sizeof( pack_t ) + sizeof( dpackfile_t ) * ( numpackfiles - 1 ));
+	pack = (pack_t *)Mem_Calloc( fs_mempool, sizeof( pack_t ) + sizeof( dpackfile_t ) * numpackfiles );
 	FS_Seek( packhandle, header.dirofs, SEEK_SET );
 
 	if( header.dirlen != FS_Read( packhandle, (void *)pack->files, header.dirlen ))
diff --git a/filesystem/zip.c b/filesystem/zip.c
index ed6eff87..56e53821 100644
--- a/filesystem/zip.c
+++ b/filesystem/zip.c
@@ -125,7 +125,7 @@ struct zip_s
 {
 	file_t *handle;
 	int		numfiles;
-	zipfile_t files[1]; // flexible
+	zipfile_t files[]; // flexible
 };
 
 // #define ENABLE_CRC_CHECK // known to be buggy because of possible libpublic crc32 bug, disabled
@@ -285,7 +285,7 @@ static zip_t *FS_LoadZip( const char *zipfile, int *error )
 	FS_Seek( zip->handle, header_eocd.central_directory_offset, SEEK_SET );
 
 	// Calc count of files in archive
-	zip = (zip_t *)Mem_Realloc( fs_mempool, zip, sizeof( *zip ) + sizeof( *info ) * ( header_eocd.total_central_directory_record - 1 ));
+	zip = (zip_t *)Mem_Realloc( fs_mempool, zip, sizeof( *zip ) + sizeof( *info ) * header_eocd.total_central_directory_record );
 	info = zip->files;
 
 	for( i = 0; i < header_eocd.total_central_directory_record; i++ )