diff --git a/Outputs/OpenGL/ScanTarget.cpp b/Outputs/OpenGL/ScanTarget.cpp
index 2de6148c7..b434c0bba 100644
--- a/Outputs/OpenGL/ScanTarget.cpp
+++ b/Outputs/OpenGL/ScanTarget.cpp
@@ -10,6 +10,7 @@
 
 #include "OpenGL.hpp"
 #include "Primitives/Rectangle.hpp"
+#include "../Log.hpp"
 
 #include <cassert>
 #include <cstring>
@@ -78,6 +79,9 @@ ScanTarget::ScanTarget(GLuint target_framebuffer, float output_gamma) :
 	unprocessed_line_texture_(LineBufferWidth, LineBufferHeight, UnprocessedLineBufferTextureUnit, GL_NEAREST, false),
 	full_display_rectangle_(-1.0f, -1.0f, 2.0f, 2.0f) {
 
+	// Note the OpenGL version.
+	LOG("Constructing scan target with OpenGL " << glGetString(GL_VERSION) << "; shading language version " << glGetString(GL_SHADING_LANGUAGE_VERSION));
+
 	// Ensure proper initialisation of the two atomic pointer sets.
 	read_pointers_.store(write_pointers_);
 	submit_pointers_.store(write_pointers_);