diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp
index 3e6b88af4188..e2353e890e0f 100644
--- a/src/libcamera/pipeline/ipu3/ipu3.cpp
+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp
@@ -846,7 +846,7 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data)
 	 */
 
 	/* Re-fetch the sensor info updated to use the largest resolution. */
-	V4L2SubdeviceFormat sensorFormat;
+	V4L2SubdeviceFormat sensorFormat = {};
 	sensorFormat.size = sensor->resolution();
 	ret = sensor->setFormat(&sensorFormat);
 	if (ret)