diff --git a/extern/acgl/include/glm/detail/type_mat4x3.inl b/extern/acgl/include/glm/detail/type_mat4x3.inl
index cfdf89e..a51388b 100644
--- a/extern/acgl/include/glm/detail/type_mat4x3.inl
+++ b/extern/acgl/include/glm/detail/type_mat4x3.inl
@@ -26,6 +26,8 @@
 /// @author Christophe Riccio
 ///////////////////////////////////////////////////////////////////////////////////
 
+#pragma GCC diagnostic ignored "-Wsign-compare"
+
 namespace glm{
 namespace detail
 {