diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f49ea1d..8154873 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -40,7 +40,7 @@ jobs:
           path: '*/target/**/*.jar'
           retention-days: 1
   publish:
-    if: ${{ github.event_name != 'pull_request' }} && (github.repository == 'lucidsoftware/java-thread-context') }}
+    if: github.event_name != 'pull_request' && (github.repository == 'lucidsoftware/java-thread-context')
     needs: build
     runs-on: ubuntu-22.04
     steps:
@@ -60,7 +60,7 @@ jobs:
           SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
           SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}
   release:
-    if: ${{ startsWith(github.ref, 'refs/tags') && (github.repository == 'lucidsoftware/relate') }}
+    if: startsWith(github.ref, 'refs/tags') && (github.repository == 'lucidsoftware/relate')
     runs-on: ubuntu-latest
     needs: build
     steps:
diff --git a/generate_sbt_opts.sh b/generate_sbt_opts.sh
index 314d3e4..265a47b 100755
--- a/generate_sbt_opts.sh
+++ b/generate_sbt_opts.sh
@@ -4,4 +4,5 @@ if [[ $GITHUB_REF_TYPE = tag ]]; then
 else
     version="${GITHUB_HEAD_REF:-$GITHUB_REF_NAME}-SNAPSHOT"
 fi
+version="${version//\//_}"
 echo "SBT_OPTS=-Dbuild.version=$version" >> $GITHUB_ENV
diff --git a/relate/src/main/scala/com/lucidchart/relate/Parameters.scala b/relate/src/main/scala/com/lucidchart/relate/Parameters.scala
index e1c2abe..c86354a 100644
--- a/relate/src/main/scala/com/lucidchart/relate/Parameters.scala
+++ b/relate/src/main/scala/com/lucidchart/relate/Parameters.scala
@@ -95,17 +95,13 @@ trait MultipleParameter extends Parameter {
 }
 
 class TupleParameter(val params: Iterable[SingleParameter]) extends MultipleParameter {
-  def appendPlaceholders(stringBuilder: StringBuilder) = {
-    val length = params.size
-    if(length > 0) {
-      stringBuilder.append("?")
-      var i = 1
-      while (i < length) {
-        stringBuilder.append(",?")
-        i += 1
+  def appendPlaceholders(stringBuilder: StringBuilder) =
+    params.zipWithIndex.foreach { case (param, index) =>
+      if (0 < index) {
+        stringBuilder.append(",")
       }
+      param.appendPlaceholders(stringBuilder)
     }
-  }
 }
 
 object TupleParameter {
diff --git a/relate/src/test/scala/ParameterizationTest.scala b/relate/src/test/scala/ParameterizationTest.scala
index edd5fcb..1abdd3f 100644
--- a/relate/src/test/scala/ParameterizationTest.scala
+++ b/relate/src/test/scala/ParameterizationTest.scala
@@ -1,5 +1,6 @@
 package com.lucidchart.relate
 
+import java.sql.PreparedStatement
 import org.specs2.mutable._
 
 class ParameterizationTest extends Specification {
@@ -17,4 +18,15 @@ class ParameterizationTest extends Specification {
       querySql.toString mustEqual("INSERT INTO myTable (foo) VALUES (?,?,?)")
     }
   }
+
+  "tuple paramater" should {
+    "use sub-parameter placeholders" in {
+      class CustomParameter(value: Int) extends SingleParameter {
+        protected[this] def set(statement: PreparedStatement, i: Int) = implicitly[Parameterizable[Int]].set(statement, i, value)
+        override def appendPlaceholders(stringBuilder: StringBuilder) = stringBuilder.append("?::smallint")
+      }
+      val querySql = sql"INSERT INTO myTable (foo, bar) VALUES (${(1, new CustomParameter(1))})"
+      querySql.toString mustEqual("INSERT INTO myTable (foo, bar) VALUES (?,?::smallint)")
+    }
+  }
 }