diff --git a/src/backends/drm/drm_buffer.cpp b/src/backends/drm/drm_buffer.cpp
index f3c72c0fae..e241deac18 100644
--- a/src/backends/drm/drm_buffer.cpp
+++ b/src/backends/drm/drm_buffer.cpp
@@ -34,6 +34,7 @@ DrmGpuBuffer::DrmGpuBuffer(DrmGpu *gpu, QSize size, uint32_t format, uint64_t mo
     , m_strides(strides)
     , m_offsets(offsets)
     , m_planeCount(planeCount)
+    , m_fds({-1, -1, -1, -1})
 {
 }