diff --git a/Userland/Libraries/LibGL/GL/gl.h b/Userland/Libraries/LibGL/GL/gl.h
index 36b6fae3f5..36c2ab0748 100644
--- a/Userland/Libraries/LibGL/GL/gl.h
+++ b/Userland/Libraries/LibGL/GL/gl.h
@@ -612,6 +612,7 @@ GLAPI void glTexGeni(GLenum coord, GLenum pname, GLint param);
 GLAPI void glRectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2);
 GLAPI void glRecti(GLint x1, GLint y1, GLint x2, GLint y2);
 GLAPI void glGetTexLevelParameteriv(GLenum target, GLint level, GLenum pname, GLint* params);
+GLAPI void glPointSize(GLfloat size);
 
 #ifdef __cplusplus
 }
diff --git a/Userland/Libraries/LibGL/GLDraw.cpp b/Userland/Libraries/LibGL/GLDraw.cpp
index 6139975933..f484dc49d2 100644
--- a/Userland/Libraries/LibGL/GLDraw.cpp
+++ b/Userland/Libraries/LibGL/GLDraw.cpp
@@ -6,6 +6,7 @@
 
 #include "GL/gl.h"
 #include "GLContext.h"
+#include <AK/Debug.h>
 
 extern GL::GLContext* g_gl_context;
 
@@ -24,6 +25,12 @@ void glLineWidth(GLfloat width)
     g_gl_context->gl_line_width(width);
 }
 
+void glPointSize(GLfloat size)
+{
+    // FIXME: implement
+    dbgln_if(GL_DEBUG, "glPointSize({}): unimplemented", size);
+}
+
 void glRasterPos2i(GLint x, GLint y)
 {
     g_gl_context->gl_raster_pos(static_cast<float>(x), static_cast<float>(y), 0.0f, 1.0f);