diff --git a/Source/rclUE/Public/Actions/ROS2Fibonacci.h b/Source/rclUE/Public/Actions/ROS2Fibonacci.h
index a7868baa1..b87c5e224 100644
--- a/Source/rclUE/Public/Actions/ROS2Fibonacci.h
+++ b/Source/rclUE/Public/Actions/ROS2Fibonacci.h
@@ -28,7 +28,7 @@ struct RCLUE_API FROSFibonacciSGReq
     GENERATED_BODY()
 
 public:
-    TArray<uint, TFixedAllocator<16>> GoalId;
+    TArray<uint8, TFixedAllocator<16>> GoalId;
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite)
     int Order = 0;
@@ -90,7 +90,7 @@ struct RCLUE_API FROSFibonacciGRReq
     GENERATED_BODY()
 
 public:
-    TArray<uint, TFixedAllocator<16>> GoalId;
+    TArray<uint8, TFixedAllocator<16>> GoalId;
 
     FROSFibonacciGRReq()
     {
@@ -157,7 +157,7 @@ struct RCLUE_API FROSFibonacciFB
     GENERATED_BODY()
 
 public:
-    TArray<uint, TFixedAllocator<16>> GoalId;
+    TArray<uint8, TFixedAllocator<16>> GoalId;
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite)
     TArray<int> Sequence;
diff --git a/Source/rclUE/Public/Actions/ROS2LookupTF.h b/Source/rclUE/Public/Actions/ROS2LookupTF.h
index d055b296e..6a41dc06d 100644
--- a/Source/rclUE/Public/Actions/ROS2LookupTF.h
+++ b/Source/rclUE/Public/Actions/ROS2LookupTF.h
@@ -30,7 +30,7 @@ struct RCLUE_API FROSLookupTFSGReq
     GENERATED_BODY()
 
 public:
-    TArray<uint, TFixedAllocator<16>> GoalId;
+    TArray<uint8, TFixedAllocator<16>> GoalId;
 
     UPROPERTY(EditAnywhere, BlueprintReadWrite)
     FString TargetFrame;
@@ -134,7 +134,7 @@ struct RCLUE_API FROSLookupTFGRReq
     GENERATED_BODY()
 
 public:
-    TArray<uint, TFixedAllocator<16>> GoalId;
+    TArray<uint8, TFixedAllocator<16>> GoalId;
 
     FROSLookupTFGRReq()
     {
@@ -200,7 +200,7 @@ struct RCLUE_API FROSLookupTFFB
     GENERATED_BODY()
 
 public:
-    TArray<uint, TFixedAllocator<16>> GoalId;
+    TArray<uint8, TFixedAllocator<16>> GoalId;
 
     FROSLookupTFFB()
     {
diff --git a/Source/rclUE/Public/rclcUtilities.h b/Source/rclUE/Public/rclcUtilities.h
index d8ad78810..6293b522f 100644
--- a/Source/rclUE/Public/rclcUtilities.h
+++ b/Source/rclUE/Public/rclcUtilities.h
@@ -290,7 +290,7 @@ class UROS2Utils : public UBlueprintFunctionLibrary
         return InTimeStamp.sec + InTimeStamp.nanosec * 1e-09f;
     }
 
-    static void GenerateRandomUUID16(TArray<uint, TFixedAllocator<16>>& OutUUID)
+    static void GenerateRandomUUID16(TArray<uint8, TFixedAllocator<16>>& OutUUID)
     {
         OutUUID.Reset();
         for (int8 i = 0; i < 16; i++)