diff --git a/block/meson.build b/block/meson.build
index 4dbbfe60b4..a3e56b7cd1 100644
--- a/block/meson.build
+++ b/block/meson.build
@@ -40,9 +40,9 @@ block_ss.add(files(
   'vmdk.c',
   'vpc.c',
   'write-threshold.c',
-), zstd)
+), zstd, zlib)
 
-block_ss.add(when: [zlib, 'CONFIG_QCOW1'], if_true: files('qcow.c'))
+block_ss.add(when: 'CONFIG_QCOW1', if_true: files('qcow.c'))
 block_ss.add(when: 'CONFIG_VDI', if_true: files('vdi.c'))
 block_ss.add(when: 'CONFIG_CLOOP', if_true: files('cloop.c'))
 block_ss.add(when: 'CONFIG_BOCHS', if_true: files('bochs.c'))