diff -r 7abaf1d64719 -r c438a7db7c52 src/gl/gridprogram.cpp
--- a/src/gl/gridprogram.cpp	Mon May 11 12:18:59 2020 +0300
+++ b/src/gl/gridprogram.cpp	Mon Aug 24 23:00:50 2020 +0300
@@ -107,7 +107,7 @@
 
 int GridProgram::vertexCount() const
 {
-	return countof(data);
+	return glm::countof(data);
 }
 
 void GridProgram::setupVertexArrays()