diff --git a/dev-ml/oasis/oasis-0.4.10.ebuild b/dev-ml/oasis/oasis-0.4.10.ebuild
index 4a26f9bc6e6d4..86cf986a25a6f 100644
--- a/dev-ml/oasis/oasis-0.4.10.ebuild
+++ b/dev-ml/oasis/oasis-0.4.10.ebuild
@@ -35,6 +35,6 @@ DEPEND="${RDEPEND}
 		dev-ml/extlib
 	)"
 
-RESTRICT="strip"
+RESTRICT+=" strip"
 S="${WORKDIR}/${MY_P}"
 DOCS=( "README.md" "TODO.txt" "AUTHORS.md" "CHANGES.txt" )
diff --git a/dev-ml/oasis/oasis-0.4.8.ebuild b/dev-ml/oasis/oasis-0.4.8.ebuild
index 0ed13d0087f5f..f4b70d1c6f47d 100644
--- a/dev-ml/oasis/oasis-0.4.8.ebuild
+++ b/dev-ml/oasis/oasis-0.4.8.ebuild
@@ -33,6 +33,6 @@ DEPEND="${RDEPEND}
 		dev-ml/extlib
 	)"
 
-RESTRICT="strip"
+RESTRICT+=" strip"
 S="${WORKDIR}/${MY_P}"
 DOCS=( "README.md" "TODO.txt" "AUTHORS.md" "CHANGES.txt" )