diff --git a/source/blender/compositor/realtime_compositor/COM_conversion_operation.hh b/source/blender/compositor/realtime_compositor/COM_conversion_operation.hh
index 61dba69d01e..96a6f52afa0 100644
--- a/source/blender/compositor/realtime_compositor/COM_conversion_operation.hh
+++ b/source/blender/compositor/realtime_compositor/COM_conversion_operation.hh
@@ -49,8 +49,8 @@ class ConversionOperation : public SimpleOperation {
 /* -------------------------------------------------------------------- */
 /** \name Convert Float to Vector Operation
  *
- * Takes a float result and outputs a vector result. All three components of the output are filled
- * with the input float.
+ * Takes a float result and outputs a vector result. The first three components of the output are
+ * filled with the input float, while the fourth component is set to 1.
  * \{ */
 
 class ConvertFloatToVectorOperation : public ConversionOperation {
diff --git a/source/blender/compositor/realtime_compositor/intern/conversion_operation.cc b/source/blender/compositor/realtime_compositor/intern/conversion_operation.cc
index 6bb8fb5fb6b..882195c2006 100644
--- a/source/blender/compositor/realtime_compositor/intern/conversion_operation.cc
+++ b/source/blender/compositor/realtime_compositor/intern/conversion_operation.cc
@@ -98,7 +98,7 @@ ConvertFloatToVectorOperation::ConvertFloatToVectorOperation(Context &context)
 
 void ConvertFloatToVectorOperation::execute_single(const Result &input, Result &output)
 {
-  output.set_vector_value(float4(float3(input.get_float_value()), 0.0f));
+  output.set_vector_value(float4(float3(input.get_float_value()), 1.0f));
 }
 
 GPUShader *ConvertFloatToVectorOperation::get_conversion_shader() const
diff --git a/source/blender/compositor/realtime_compositor/shaders/infos/compositor_convert_info.hh b/source/blender/compositor/realtime_compositor/shaders/infos/compositor_convert_info.hh
index 47611cd93ec..0fd680bdc9e 100644
--- a/source/blender/compositor/realtime_compositor/shaders/infos/compositor_convert_info.hh
+++ b/source/blender/compositor/realtime_compositor/shaders/infos/compositor_convert_info.hh
@@ -19,7 +19,7 @@ GPU_SHADER_CREATE_INFO(compositor_convert_float_to_float)
 GPU_SHADER_CREATE_INFO(compositor_convert_float_to_vector)
     .additional_info("compositor_convert_shared")
     .image(0, GPU_RGBA16F, Qualifier::WRITE, ImageType::FLOAT_2D, "output_img")
-    .define("CONVERT_EXPRESSION(value)", "vec4(vec3_from_float(value.x), 0.0)")
+    .define("CONVERT_EXPRESSION(value)", "vec4(vec3_from_float(value.x), 1.0)")
     .do_static_compilation(true);
 
 GPU_SHADER_CREATE_INFO(compositor_convert_float_to_color)