diff --git a/CMakeLists.txt b/CMakeLists.txt
index d2d213241..404e76be3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1326,6 +1326,11 @@ if(NOT USE_CONSOLE)
 		${OPENGL_LIBRARIES}
 	)
 	include_directories(${GLEW_INCLUDE_DIR})
+	# On some platforms, GLEW declares the userParam parameter of
+	# GLDEBUGPROCARB as const void *, and on other platforms, it's void *.
+	# Test which one works here.
+	set(CMAKE_REQUIRED_INCLUDES "${GLEW_INCLUDE_DIR}")
+	CHECK_CXX_SOURCE_COMPILES("#include <GL/glew.h>\nvoid GLAPIENTRY OpenGLDebugProc(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char* message, const void* userParam) {}\nint main() { GLDEBUGPROCARB proc = &OpenGLDebugProc; }" GLDEBUGPROCARB_USERPARAM_IS_CONST)
 endif()
 if(USE_GTK)
 	if(USE_GTK3)
diff --git a/config.h.cmake b/config.h.cmake
index d4df94551..00fc7e5d2 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -163,6 +163,10 @@
 /* Define to 1 if you want to use Boost.Regex instead of <regex>. */
 #cmakedefine USE_BOOST_REGEX 1
 
+/* Define to 1 if the userParam parameter to GLDEBUGPROCARB is const, as the
+   spec requires. */
+#cmakedefine GLDEBUGPROCARB_USERPARAM_IS_CONST 1
+
 /* Glib */
 #cmakedefine WITH_GLIB 1
 
diff --git a/src/graphics/C4DrawGL.cpp b/src/graphics/C4DrawGL.cpp
index 8f6b98d89..b717bc05d 100644
--- a/src/graphics/C4DrawGL.cpp
+++ b/src/graphics/C4DrawGL.cpp
@@ -77,7 +77,13 @@ namespace
 		}
 	}
 
-	void GLAPIENTRY OpenGLDebugProc(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char* message, const void* userParam)
+#ifdef GLDEBUGPROCARB_USERPARAM_IS_CONST
+#define USERPARAM_CONST const
+#else
+#define USERPARAM_CONST
+#endif
+
+	void GLAPIENTRY OpenGLDebugProc(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const char* message, USERPARAM_CONST void* userParam)
 	{
 		const char *msg_source = MsgSourceToStr(source);
 		const char *msg_type = MsgTypeToStr(type);
@@ -91,6 +97,8 @@ namespace
 	}
 }
 
+#undef USERPARAM_CONST
+
 CStdGL::CStdGL():
 		pMainCtx(0)
 {