diff --git a/shader.glsl b/shader.glsl
index fc0d5ba..85dd43d 100644
--- a/shader.glsl
+++ b/shader.glsl
@@ -112,12 +112,12 @@ void CoolSphere( out vec4 fragColor, in vec2 fragCoord )
 
 	// raymarch
     vec3 col = raymarch(ro,rd,tmm);
-    if (tmm.x<0.)col = texture(texture_sampler, rd).rgb;
+    if (tmm.x<0.)col = texture2D(texture_sampler, rd).rgb;
     else {
         vec3 nor=(ro+tmm.x*rd)/2.;
         nor = reflect(rd, nor);        
         float fre = pow(.5+ clamp(dot(nor,rd),0.0,1.0), 3. )*1.3;
-        col += texture(texture_sampler, nor).rgb * fre;
+        col += texture2D(texture_sampler, nor).rgb * fre;
     
     }
 	
@@ -306,7 +306,7 @@ void main(void)
   
   vec2 texttop = vec2(0., -.35), pt = (gl_FragCoord.xy / resolution) - texttop;
   if (pt.y > 0.)
-    l = gl_FragColor + texture(texts, pt);
+    l = gl_FragColor + texture2D(texts, pt);
   
 
   gl_FragColor = vec4(l * (1.0), 1.0);