diff --git a/src/qcam/viewfinder_gl.cpp b/src/qcam/viewfinder_gl.cpp
index e2aa2470..501c5bae 100644
--- a/src/qcam/viewfinder_gl.cpp
+++ b/src/qcam/viewfinder_gl.cpp
@@ -367,6 +367,7 @@ void ViewFinderGL::selectColorSpace(const libcamera::ColorSpace &colorSpace)
 	double offset;
 
 	switch (colorSpace.range) {
+	default: /* Avoid gcc11 maybe-uninitialized warning */
 	case libcamera::ColorSpace::Range::Full:
 		offset = 0.0;
 		break;