diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
index 3c01821135f8..6d5c7c39edf1 100644
--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp
+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
@@ -566,6 +566,11 @@ CameraConfiguration *PipelineHandlerRkISP1::generateConfiguration(Camera *camera
 	if (roles.empty())
 		return config;
 
+	if (roles.size() > 1) {
+		delete config;
+		return nullptr;
+	}
+
 	StreamConfiguration cfg{};
 	cfg.pixelFormat = formats::NV12;
 	cfg.size = data->sensor_->resolution();
diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp
index 1ec8d0f7de03..20675de568a8 100644
--- a/src/libcamera/pipeline/simple/simple.cpp
+++ b/src/libcamera/pipeline/simple/simple.cpp
@@ -484,6 +484,11 @@ CameraConfiguration *SimplePipelineHandler::generateConfiguration(Camera *camera
 	if (roles.empty())
 		return config;
 
+	if (roles.size() > 1) {
+		delete config;
+		return nullptr;
+	}
+
 	/* Create the formats map. */
 	std::map<PixelFormat, std::vector<SizeRange>> formats;
 	std::transform(data->formats_.begin(), data->formats_.end(),
diff --git a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
index 80a0e77ba3fc..773480e0a821 100644
--- a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
+++ b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp
@@ -158,6 +158,11 @@ CameraConfiguration *PipelineHandlerUVC::generateConfiguration(Camera *camera,
 	if (roles.empty())
 		return config;
 
+	if (roles.size() > 1) {
+		delete config;
+		return nullptr;
+	}
+
 	std::map<V4L2PixelFormat, std::vector<SizeRange>> v4l2Formats =
 		data->video_->formats();
 	std::map<PixelFormat, std::vector<SizeRange>> deviceFormats;
diff --git a/src/libcamera/pipeline/vimc/vimc.cpp b/src/libcamera/pipeline/vimc/vimc.cpp
index b6530662a9ba..e0980fc4a64c 100644
--- a/src/libcamera/pipeline/vimc/vimc.cpp
+++ b/src/libcamera/pipeline/vimc/vimc.cpp
@@ -177,6 +177,11 @@ CameraConfiguration *PipelineHandlerVimc::generateConfiguration(Camera *camera,
 	if (roles.empty())
 		return config;
 
+	if (roles.size() > 1) {
+		delete config;
+		return nullptr;
+	}
+
 	std::map<PixelFormat, std::vector<SizeRange>> formats;
 
 	for (const auto &pixelformat : pixelformats) {