diff --git a/glib-2.36.3-r1.ebuild b/glib-2.36.3-r1.ebuild
index 7724956..d39c645 100644
--- a/glib-2.36.3-r1.ebuild
+++ b/glib-2.36.3-r1.ebuild
@@ -136,6 +136,9 @@ src_prepare() {
 
 	epatch_user
 
+	# Fix to be able to compile using clang. bug #478338
+	[[ $(tc-getCC) == *clang* ]] && append-flags -Wno-format-nonliteral
+
 	# Needed for the punt-python-check patch, disabling timeout test
 	# Also needed to prevent croscompile failures, see bug #267603
 	# Also needed for the no-gdbus-codegen patch