diff --git a/invokeai/app/invocations/compel.py b/invokeai/app/invocations/compel.py
index b773f03a8e..fe79ef5594 100644
--- a/invokeai/app/invocations/compel.py
+++ b/invokeai/app/invocations/compel.py
@@ -273,6 +273,7 @@ class SDXLCompelPromptInvocation(BaseInvocation, SDXLPromptInvocationBase):
 
     prompt: str = InputField(default="", description=FieldDescriptions.compel_prompt, ui_component=UIComponent.Textarea)
     style: str = InputField(default="", description=FieldDescriptions.compel_prompt, ui_component=UIComponent.Textarea)
+    concat_style: bool = InputField(default=True, description="Enable concatenation 'prompt' to 'style' field")
     original_width: int = InputField(default=1024, description="")
     original_height: int = InputField(default=1024, description="")
     crop_top: int = InputField(default=0, description="")
@@ -284,17 +285,20 @@ class SDXLCompelPromptInvocation(BaseInvocation, SDXLPromptInvocationBase):
 
     @torch.no_grad()
     def invoke(self, context: InvocationContext) -> ConditioningOutput:
+        if self.style == "":
+            style = self.prompt
+        elif self.prompt == "":
+            style = self.style
+        else: # if both style and prompt not empty
+            style = self.prompt + " " + self.style
+
         c1, c1_pooled, ec1 = self.run_clip_compel(
             context, self.clip, self.prompt, False, "lora_te1_", zero_on_empty=True
         )
-        if self.style.strip() == "":
-            c2, c2_pooled, ec2 = self.run_clip_compel(
-                context, self.clip2, self.prompt, True, "lora_te2_", zero_on_empty=True
-            )
-        else:
-            c2, c2_pooled, ec2 = self.run_clip_compel(
-                context, self.clip2, self.style, True, "lora_te2_", zero_on_empty=True
-            )
+
+        c2, c2_pooled, ec2 = self.run_clip_compel(
+            context, self.clip2, style, True, "lora_te2_", zero_on_empty=True
+        )
 
         original_size = (self.original_height, self.original_width)
         crop_coords = (self.crop_top, self.crop_left)