diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.3.1 (2023-04-09)
+- check for %autorelease more carefully
+- buildRequires: fix dynamic BRs with getSources and space after %_srcrpmdir
+  (reported by kiilerix)
+
 ## 1.3 (2023-04-08)
 - new 'autospec' command converts packages to use rpmautospec
 - new 'move-artifacts' command moves rpmbuild artifacts into dirs (--delete)
diff --git a/fbrnch.cabal b/fbrnch.cabal
--- a/fbrnch.cabal
+++ b/fbrnch.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.0
 name:                fbrnch
-version:             1.3
+version:             1.3.1
 synopsis:            Fedora packager tool to build package branches
 description:
             fbrnch (fedora branch) is a convenient packaging tool for
diff --git a/src/Cmd/Bump.hs b/src/Cmd/Bump.hs
--- a/src/Cmd/Bump.hs
+++ b/src/Cmd/Bump.hs
@@ -55,7 +55,7 @@
                     case mopt of
                       Just (CommitMsg msg) -> msg
                       _ -> "rebuild"
-          autorelease <- grep_ " %autorelease" spec
+          autorelease <- isAutoRelease spec
           unless autorelease $
             cmd_ "rpmdev-bumpspec" ["-c", clmsg, spec]
           let copts =
diff --git a/src/Cmd/Scratch.hs b/src/Cmd/Scratch.hs
--- a/src/Cmd/Scratch.hs
+++ b/src/Cmd/Scratch.hs
@@ -72,7 +72,7 @@
               return $ nub $ priorityArchs ++ tagArchs
             else return $ nub $ filter (`elem` archs) priorityArchs ++ archs
           forM_ archlist $ \arch -> do
-            putStrLn $ arch ++ " scratch build"
+            putStrLn $ arch +-+ "scratch build"
             doScratchBuild pkggit spec target [arch]
           else doScratchBuild pkggit spec target archs
       where
@@ -99,7 +99,7 @@
                     else return False
             rbr <- anyBranchToRelease br
             nvr <- pkgNameVerRel' rbr spec
-            putStrLn $ target ++ " scratch build of " ++ showScratchSource pushed nvr msource
+            putStrLn $ target +-+ "scratch build of" +-+ showScratchSource pushed nvr msource
             unless dryrun $
               case msource of
                 Just (ScratchSRPM srpm) ->
diff --git a/src/Package.hs b/src/Package.hs
--- a/src/Package.hs
+++ b/src/Package.hs
@@ -40,7 +40,8 @@
   pkgNameVerRel,
   pkgNameVerRel',
   equivNVR,
-  editSpecField
+  editSpecField,
+  isAutoRelease
   ) where
 
 import Distribution.Fedora hiding (Fedora,EPEL,EPELNext)
@@ -345,16 +346,22 @@
     msgout =
       putStrLn $ if quiet then "cloning..." else "Cloning: " ++ pkg
 
+isAutoRelease :: FilePath -> IO Bool
+isAutoRelease spec = do
+  matches <- filter ("Release:" `isPrefixOf`) <$> grep "%autorelease" spec
+  return $ not (null matches)
+
 pkgNameVerRel :: Branch -> FilePath -> IO (Maybe String)
 pkgNameVerRel br spec = do
   disttag <- rpmDistTag <$> branchDist br
   -- workaround dist with bootstrap
   hostdist <- cmd "rpm" ["--eval", "%{dist}"]
   -- FIXME more precise regexp with "Release:"
-  autorelease <- grep_ " %autorelease" spec
+  autorelease <- isAutoRelease spec
   nvrs <-
     if autorelease
     then do
+      --putStrLn "%autorelease detected"
       mautospec <- findExecutable "rpmautospec"
       when (isNothing mautospec) $
         error' "requires rpmautospec.."
diff --git a/src/RpmBuild.hs b/src/RpmBuild.hs
--- a/src/RpmBuild.hs
+++ b/src/RpmBuild.hs
@@ -294,19 +294,28 @@
 -- from fedora-haskell-tools
 buildRequires :: FilePath -> IO [String]
 buildRequires spec = do
-  autorelease <- grep_ " %autorelease" spec
+  autorelease <- isAutoRelease spec
   dynbr <- grep_ "^%generate_buildrequires" spec
   brs <- mapMaybe primary <$>
     if dynbr
     then do
       installMissingMacros spec
+      void $ getSources spec
       withTempDir $ \tmpdir -> do
-        let srpmdiropt = ["--define", "_srcrpmdir" ++ tmpdir]
-        out <- cmdIgnoreErr "rpmbuild" (["-br", "--nodeps", spec] ++ srpmdiropt) ""
-        -- Wrote: /current/dir/SRPMS/name-version-release.buildreqs.nosrc.rpm
-        case words out of
-          [] -> error' $ spec +-+ "could not generate source rpm for dynamic buildrequires"
-          ws -> cmdLines "rpm" ["-qp", "--requires", last ws]
+        let srpmdiropt = ["--define", "_srcrpmdir" +-+ tmpdir]
+        (ok, out, err) <- cmdFull "rpmbuild" (["-br", "--nodeps", spec] ++ srpmdiropt) ""
+        if ok
+          then do
+          -- Wrote: /current/dir/SRPMS/name-version-release.buildreqs.nosrc.rpm
+          case words out of
+            [] -> error' $ spec +-+ "could not generate source rpm for dynamic buildrequires"
+            ws -> do
+              let srpm = last ws
+              exists <- doesFileExist srpm
+              if exists
+                then cmdLines "rpm" ["-qp", "--requires", last ws]
+                else error' err
+          else error' err
     else
       -- FIXME should resolve meta
       rpmspec ["--buildrequires"] Nothing spec