diff --git a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/GenerativeModel.kt b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/GenerativeModel.kt
index 94e101b92ff..3a04907cacc 100644
--- a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/GenerativeModel.kt
+++ b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/GenerativeModel.kt
@@ -84,7 +84,7 @@ internal constructor(
       apiKey,
       modelName,
       requestOptions,
-      "gl-kotlin/${KotlinVersion.CURRENT}-ai fire/${BuildConfig.VERSION_NAME}",
+      "gl-kotlin/${KotlinVersion.CURRENT} fire/${BuildConfig.VERSION_NAME}",
       firebaseApp,
       AppCheckHeaderProvider(TAG, appCheckTokenProvider, internalAuthProvider),
     ),
diff --git a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/ImagenModel.kt b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/ImagenModel.kt
index b2c292c2d76..30868aeb214 100644
--- a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/ImagenModel.kt
+++ b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/ImagenModel.kt
@@ -65,7 +65,7 @@ internal constructor(
       apiKey,
       modelName,
       requestOptions,
-      "gl-kotlin/${KotlinVersion.CURRENT}-ai fire/${BuildConfig.VERSION_NAME}",
+      "gl-kotlin/${KotlinVersion.CURRENT} fire/${BuildConfig.VERSION_NAME}",
       firebaseApp,
       AppCheckHeaderProvider(TAG, appCheckTokenProvider, internalAuthProvider),
     ),
diff --git a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/LiveGenerativeModel.kt b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/LiveGenerativeModel.kt
index f9de961faf3..d384793eb68 100644
--- a/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/LiveGenerativeModel.kt
+++ b/firebase-vertexai/src/main/kotlin/com/google/firebase/vertexai/LiveGenerativeModel.kt
@@ -83,7 +83,7 @@ internal constructor(
       apiKey,
       modelName,
       requestOptions,
-      "gl-kotlin/${KotlinVersion.CURRENT}-ai fire/${BuildConfig.VERSION_NAME}",
+      "gl-kotlin/${KotlinVersion.CURRENT} fire/${BuildConfig.VERSION_NAME}",
       firebaseApp,
       AppCheckHeaderProvider(TAG, appCheckTokenProvider, internalAuthProvider),
     ),