diff --git a/packaging/obs_rpm/gsmartcontrol.spec b/packaging/obs_rpm/gsmartcontrol.spec
index 3f6006e..789c0e6 100644
--- a/packaging/obs_rpm/gsmartcontrol.spec
+++ b/packaging/obs_rpm/gsmartcontrol.spec
@@ -68,8 +68,8 @@ on it.
 %setup -q
 
 %build
-%if 0%{?suse_version}
-%cmake -DAPP_COMPILER_ENABLE_WARNINGS=ON CXX=g++-13
+%if 0%{?suse_version} < 1600 || 0%{?sle_version} < 160000
+%cmake -DAPP_COMPILER_ENABLE_WARNINGS=ON -DCMAKE_CXX_COMPILER=g++-13
 %else
 %cmake -DAPP_COMPILER_ENABLE_WARNINGS=ON
 %endif