diff -r 1f42c03fafca -r 5760cbb32bc0 src/gl/partrenderer.cpp
--- a/src/gl/partrenderer.cpp	Sun Jul 25 20:29:14 2021 +0300
+++ b/src/gl/partrenderer.cpp	Sun Jul 25 20:39:21 2021 +0300
@@ -85,7 +85,7 @@
 		0.1f,
 		10000.f);
 	this->compiler->setUniformMatrix("projectionMatrix", this->projectionMatrix);
-	emit projectionMatrixChanged(this->projectionMatrix);
+	Q_EMIT projectionMatrixChanged(this->projectionMatrix);
 }
 
 static GLenum getGlTypeForArrayClass(const gl::ArrayClass vboClass)
@@ -202,14 +202,14 @@
 	const double z  = 2 * std::exp(this->zoom) * (1 + this->compiler->modelDistance());
 	this->viewMatrix = glm::lookAt(glm::vec3{0, 0, z}, {0, 0, 0}, {0, -1, 0});
 	this->compiler->setUniformMatrix("viewMatrix", this->viewMatrix);
-	emit this->viewMatrixChanged(this->viewMatrix);
+	Q_EMIT this->viewMatrixChanged(this->viewMatrix);
 }
 
 void PartRenderer::updateModelMatrix()
 {
 	this->modelMatrix = glm::mat4_cast(this->modelQuaternion);
 	this->compiler->setUniformMatrix("modelMatrix", modelMatrix);
-	emit this->modelMatrixChanged(this->modelMatrix);
+	Q_EMIT this->modelMatrixChanged(this->modelMatrix);
 	this->update();
 }
 
@@ -383,7 +383,7 @@
 		this->build();
 		this->setupBackgroundColor();
 	}
-	emit this->renderPreferencesChanged();
+	Q_EMIT this->renderPreferencesChanged();
 	this->update();
 }