diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,10 @@
 # dnf-repo releases
 
+## 0.6.3 (2026-05-27)
+- fix 0.6.2 regression in dnf detection logic that defaulted to /usr/bin/dnf5
+- with dnf5 `--save` no longer uses config-manager since
+  `/etc/dnf/repos.override.d` is not supported yet
+
 ## 0.6.2 (2026-03-15)
 - `--save` now works without dnf using sed
 - munge "libNAME.so.X" to "libNAME.so.X()(64bit)" (hardcoded)
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@
 `$ dnf-repo --version`
 
 ```
-0.6.2
+0.6.3
 ```
 `$ dnf-repo --help`
 
@@ -177,6 +177,11 @@
 
 ## Building
 Use {cabal,stack,cabal-rpm} install.
+
+## Known issues
+Currently dnf5's `/etc/dnf/repos.override.d/` (set by config-manager) is
+ignored, and as of 0.6.3 `dnf-repo --save` will edit .repo files directly
+as dnf4 does.
 
 ## Contributing
 dnf-repo is distributed under the GPL license version 3 or later.
diff --git a/dnf-repo.cabal b/dnf-repo.cabal
--- a/dnf-repo.cabal
+++ b/dnf-repo.cabal
@@ -1,5 +1,5 @@
 name:                dnf-repo
-version:             0.6.2
+version:             0.6.3
 synopsis:            A dnf wrapper with fine control of enabled repos
 description:
         A command-line wrapper of the dnf package manager to
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -113,6 +113,7 @@
 -- FIXME both enabling and disabled at the same time
 -- FIXME confirm repos if many
 -- FIXME --disable-non-cores (modular,testing,cisco, etc)
+-- FIXME support dnf5 /etc/dnf/repos.override.d/99-config_manager.repo
 runMain :: Bool -> Bool -> Bool -> Bool -> Bool -> Bool -> Maybe Bool -> Bool
         -> [Mode] -> [String] -> IO ()
 runMain dryrun quiet debug listrepos save dnf4 mweakdeps exact modes args = do
@@ -169,22 +170,25 @@
           Just _ -> return $ Just Dnf4
           Nothing -> error' "dnf-3 not found"
       else do
-        mdnf <- maybeM (checkSystemPathFile "dnf") (return . Just) $
-                checkSystemPathFile "dnf5"
-        case mdnf of
+        mdnf5 <- checkSystemPathFile "dnf5"
+        case mdnf5 of
           Just _ -> return $ Just Dnf5
-          Nothing -> return Nothing
+          Nothing -> do
+            mdnf3 <- checkSystemPathFile "dnf-3"
+            case mdnf3 of
+              Just _ -> return $ Just Dnf4
+              Nothing -> return Nothing
     when save $
       if null actions
         then putStrLn "no changes to save"
         else do
-        let changes = concatMap (saveRepo mpkgmgr) actions
+        let changes = concatMap (saveRepo (mpkgmgr == Just Dnf4)) actions
         unless (null changes) $ do
           ok <- yesNo $ "Save changed repo" +-+ "enabled state" ++ ['s' | length changes > 1]
-          when ok $ do
-            case mpkgmgr of
-              Just dnf -> doSudo dryrun debug (pkgMgrCmd dnf) $ "config-manager" : changes
-              Nothing -> doSudo dryrun debug "sh" ["-c", unwords $ "sed" : "-i" : map show changes ++ ["/etc/yum.repos.d/*.repo"]]
+          when ok $
+            if mpkgmgr == Just Dnf4
+            then doSudo dryrun debug (pkgMgrCmd Dnf4) $ "config-manager" : changes
+            else doSudo dryrun debug "sh" ["-c", unwords $ "sed" : "-i" : map show changes ++ ["/etc/yum.repos.d/*.repo"]]
     if null args
       then
       when (null actions || listrepos) $ do
diff --git a/src/State.hs b/src/State.hs
--- a/src/State.hs
+++ b/src/State.hs
@@ -150,26 +150,21 @@
 changeRepo _ = Nothing
 
 data PkgMgr = Dnf5 | Dnf4
+  deriving Eq
 
 pkgMgrCmd :: PkgMgr -> String
 pkgMgrCmd Dnf5 = "dnf5"
 pkgMgrCmd Dnf4 = "dnf-3"
 
-saveRepo :: Maybe PkgMgr -> ChangeEnable -> [String]
-saveRepo pkgmgr (Disable r True) =
-  case pkgmgr of
-    Just dnf ->
-      case dnf of
-        Dnf4 -> ["--disable", r]
-        Dnf5 -> ["setopt", r ++ ".enabled=0"]
-    Nothing -> ["/^\\[" ++ r  ++ "\\]/,/^\\[/ s/^enabled=1/enabled=0/"]
-saveRepo pkgmgr (Enable r True) =
-  case pkgmgr of
-    Just dnf ->
-      case dnf of
-        Dnf4 -> ["--enable", r]
-        Dnf5 -> ["setopt", r ++ ".enabled=1"]
-    Nothing -> ["/^\\[" ++ r  ++ "\\]/,/^\\[/ s/^enabled=0/enabled=1/"]
+saveRepo :: Bool -> ChangeEnable -> [String]
+saveRepo dnf4 (Disable r True) =
+  if dnf4
+  then ["--disable", r]
+  else ["/^\\[" ++ r  ++ "\\]/,/^\\[/ s/^enabled=1/enabled=0/"]
+saveRepo dnf4 (Enable r True) =
+  if dnf4
+  then ["--enable", r]
+  else ["/^\\[" ++ r  ++ "\\]/,/^\\[/ s/^enabled=0/enabled=1/"]
 saveRepo _ _ = []
 
 expiring :: ChangeEnable -> Maybe String