diff --git a/Userland/Libraries/LibGL/GL/gl.h b/Userland/Libraries/LibGL/GL/gl.h
index fa03be7797..4b28fd927f 100644
--- a/Userland/Libraries/LibGL/GL/gl.h
+++ b/Userland/Libraries/LibGL/GL/gl.h
@@ -461,6 +461,7 @@ GLAPI void glColor4fv(const GLfloat* v);
 GLAPI void glColor4ub(GLubyte r, GLubyte g, GLubyte b, GLubyte a);
 GLAPI void glColor4ubv(const GLubyte* v);
 GLAPI void glColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
+GLAPI void glColorMaterial(GLenum face, GLenum mode);
 GLAPI void glDeleteTextures(GLsizei n, const GLuint* textures);
 GLAPI void glEnd();
 GLAPI void glFrustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble nearVal, GLdouble farVal);
diff --git a/Userland/Libraries/LibGL/GLLights.cpp b/Userland/Libraries/LibGL/GLLights.cpp
index 436cd1e6fe..70d0c777db 100644
--- a/Userland/Libraries/LibGL/GLLights.cpp
+++ b/Userland/Libraries/LibGL/GLLights.cpp
@@ -11,6 +11,12 @@
 
 extern GL::GLContext* g_gl_context;
 
+void glColorMaterial(GLenum face, GLenum mode)
+{
+    // FIXME: implement
+    dbgln_if(GL_DEBUG, "glColorMaterial({:#x}, {:#x}): unimplemented", face, mode);
+}
+
 void glLightf(GLenum light, GLenum pname, GLfloat param)
 {
     // FIXME: implement