diff --git a/dev-ada/langkit/langkit-2017.ebuild b/dev-ada/langkit/langkit-2017.ebuild
index 1d2558ae90dd6..90b59dbad415c 100644
--- a/dev-ada/langkit/langkit-2017.ebuild
+++ b/dev-ada/langkit/langkit-2017.ebuild
@@ -21,7 +21,7 @@ IUSE=""
 REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 
 DEPEND="${PYTHON_DEPS}
-	dev-ada/gnatcoll[gnat_2017,iconv]
+	dev-ada/gnatcoll[gnat_2017,iconv,shared]
 	dev-python/mako
 	dev-python/pyyaml
 	dev-python/enum34