diff --git a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/Chat.kt b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/Chat.kt
index 59c507c47a0..9e0fc1bc2aa 100644
--- a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/Chat.kt
+++ b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/Chat.kt
@@ -132,7 +132,7 @@ public class Chat(
                 image(bitmap)
               }
               for (inlineDataPart in inlineDataParts) {
-                inlineData(inlineDataPart.mimeType, inlineDataPart.inlineData)
+                inlineData(inlineDataPart.inlineData, inlineDataPart.mimeType)
               }
               if (text.isNotBlank()) {
                 text(text.toString())
diff --git a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/type/Content.kt b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/type/Content.kt
index 60a935fb275..d34502d4cbd 100644
--- a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/type/Content.kt
+++ b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/type/Content.kt
@@ -59,7 +59,7 @@ constructor(public val role: String? = "user", public val parts: List<Part>) {
      * [parts] list.
      */
     @JvmName("addInlineData")
-    public fun inlineData(mimeType: String, bytes: ByteArray): Content.Builder =
+    public fun inlineData(bytes: ByteArray, mimeType: String): Content.Builder =
       part(InlineDataPart(bytes, mimeType))
 
     /** Wraps the provided [image] inside an [ImagePart] and adds it to the [parts] list. */