diff --git a/Userland/Libraries/LibGL/GL/gl.h b/Userland/Libraries/LibGL/GL/gl.h
index e8abdd5f813..bc40fda8f5f 100644
--- a/Userland/Libraries/LibGL/GL/gl.h
+++ b/Userland/Libraries/LibGL/GL/gl.h
@@ -743,6 +743,7 @@ GLAPI void glStencilMask(GLuint mask);
 GLAPI void glStencilMaskSeparate(GLenum face, GLuint mask);
 GLAPI void glStencilOp(GLenum sfail, GLenum dpfail, GLenum dppass);
 GLAPI void glStencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass);
+GLAPI void glNormal3d(GLdouble nx, GLdouble ny, GLdouble nz);
 GLAPI void glNormal3f(GLfloat nx, GLfloat ny, GLfloat nz);
 GLAPI void glNormal3fv(GLfloat const* v);
 GLAPI void glNormalPointer(GLenum type, GLsizei stride, void const* pointer);
diff --git a/Userland/Libraries/LibGL/GLAPI.cpp b/Userland/Libraries/LibGL/GLAPI.cpp
index 53c7d861220..b71c7637bde 100644
--- a/Userland/Libraries/LibGL/GLAPI.cpp
+++ b/Userland/Libraries/LibGL/GLAPI.cpp
@@ -666,6 +666,11 @@ void glNewList(GLuint list, GLenum mode)
     return g_gl_context->gl_new_list(list, mode);
 }
 
+void glNormal3d(GLdouble nx, GLdouble ny, GLdouble nz)
+{
+    g_gl_context->gl_normal(nx, ny, nz);
+}
+
 void glNormal3f(GLfloat nx, GLfloat ny, GLfloat nz)
 {
     g_gl_context->gl_normal(nx, ny, nz);