diff --git a/sys-libs/libcxxabi/libcxxabi-5.0.9999.ebuild b/sys-libs/libcxxabi/libcxxabi-5.0.9999.ebuild
index 1f5409df9c9d0..86fc77c979d07 100644
--- a/sys-libs/libcxxabi/libcxxabi-5.0.9999.ebuild
+++ b/sys-libs/libcxxabi/libcxxabi-5.0.9999.ebuild
@@ -55,7 +55,7 @@ src_unpack() {
 	git-r3_fetch
 
 	git-r3_checkout https://llvm.org/git/libcxx.git \
-		"${WORKDIR}"/libcxx
+		"${WORKDIR}"/libcxx '' include
 	git-r3_checkout
 }
 
diff --git a/sys-libs/libcxxabi/libcxxabi-9999.ebuild b/sys-libs/libcxxabi/libcxxabi-9999.ebuild
index c2be84f86a221..572eb0208fea5 100644
--- a/sys-libs/libcxxabi/libcxxabi-9999.ebuild
+++ b/sys-libs/libcxxabi/libcxxabi-9999.ebuild
@@ -54,7 +54,7 @@ src_unpack() {
 	git-r3_fetch
 
 	git-r3_checkout https://llvm.org/git/libcxx.git \
-		"${WORKDIR}"/libcxx
+		"${WORKDIR}"/libcxx '' include
 	git-r3_checkout
 }