diff --git a/src/sbt-test/dynver/custom-version-string-0/build.sbt b/src/sbt-test/dynver/custom-version-string-0/build.sbt
index d02ab1b..0e81958 100644
--- a/src/sbt-test/dynver/custom-version-string-0/build.sbt
+++ b/src/sbt-test/dynver/custom-version-string-0/build.sbt
@@ -16,7 +16,7 @@ TaskKey[Unit]("checkNoCommits")           := check(version.value, s"HEAD-${tstam
 TaskKey[Unit]("checkOnCommit")            := check(version.value, s"${headSha.value}")
 TaskKey[Unit]("checkOnCommitDirty")       := check(version.value, s"${headSha.value}-${tstamp.value}")
 TaskKey[Unit]("checkOnTag")               := check(version.value, s"1.0.0")
-TaskKey[Unit]("checkOnTagDirty")          := check(version.value, s"1.0.0-${tstamp.value}")
+TaskKey[Unit]("checkOnTagDirty")          := check(version.value, s"1.0.0+0-${tstamp.value}")
 TaskKey[Unit]("checkOnTagAndCommit")      := check(version.value, s"1.0.0-1-${headSha.value}")
 TaskKey[Unit]("checkOnTagAndCommitDirty") := check(version.value, s"1.0.0-1-${headSha.value}-${tstamp.value}")
 
diff --git a/src/sbt-test/dynver/versions/build.sbt b/src/sbt-test/dynver/versions/build.sbt
index 46d329c..0449fbc 100644
--- a/src/sbt-test/dynver/versions/build.sbt
+++ b/src/sbt-test/dynver/versions/build.sbt
@@ -13,7 +13,7 @@ TaskKey[Unit]("checkNoCommits")           := check(version.value, s"HEAD+${tstam
 TaskKey[Unit]("checkOnCommit")            := check(version.value, s"${headSha.value}")
 TaskKey[Unit]("checkOnCommitDirty")       := check(version.value, s"${headSha.value}+${tstamp.value}")
 TaskKey[Unit]("checkOnTag")               := check(version.value, s"1.0.0")
-TaskKey[Unit]("checkOnTagDirty")          := check(version.value, s"1.0.0+${tstamp.value}")
+TaskKey[Unit]("checkOnTagDirty")          := check(version.value, s"1.0.0+0-${tstamp.value}")
 TaskKey[Unit]("checkOnTagAndCommit")      := check(version.value, s"1.0.0+1-${headSha.value}")
 TaskKey[Unit]("checkOnTagAndCommitDirty") := check(version.value, s"1.0.0+1-${headSha.value}+${tstamp.value}")