diff --git a/src/Magnum/Context.h b/src/Magnum/Context.h
index 9160cd831..86a96567b 100644
--- a/src/Magnum/Context.h
+++ b/src/Magnum/Context.h
@@ -462,6 +462,7 @@ class MAGNUM_EXPORT Context {
 
         explicit Context(void functionLoader());
 
+        /* defined in Implementation/setupDriverWorkarounds.cpp */
         MAGNUM_LOCAL void setupDriverWorkarounds();
 
         Version _version;