diff --git a/wine.spec b/wine.spec
index 84785cb..3bab99a 100644
--- a/wine.spec
+++ b/wine.spec
@@ -171,6 +171,7 @@ Source100:      wine-staging-%{staging_version}.tar.xz
 BuildRequires:  gtk3-devel
 BuildRequires:  libOSMesa-devel
 BuildRequires:  libva-devel
+BuildRequires:  python3
 %endif
 %if %{nine}
 # upstream patch target version
@@ -246,7 +247,7 @@ cp %{S:3} .
 %if %{staging}
 # apply wine staging patch set on top of the wine release.
 tar xf %{SOURCE100}
-bash ./wine-staging-%staging_version/patches/patchinstall.sh --all
+python3 ./wine-staging-%staging_version/patches/patchinstall.py --all
 %endif
 
 %if %{nine}