diff --git a/src/Magnum/GL/Renderer.cpp b/src/Magnum/GL/Renderer.cpp
index 20ac8de28..63e96cd89 100644
--- a/src/Magnum/GL/Renderer.cpp
+++ b/src/Magnum/GL/Renderer.cpp
@@ -209,7 +209,7 @@ void Renderer::initializeContextBasedFunctionality() {
 
 #ifndef MAGNUM_TARGET_GLES
 void Renderer::clearDepthfImplementationDefault(const GLfloat depth) {
-    glClearDepth(depth);
+    glClearDepth(GLdouble(depth));
 }
 #endif