diff --git a/java/libraries/opengl2/src/processing/opengl2/PGraphicsOpenGL2.java b/java/libraries/opengl2/src/processing/opengl2/PGraphicsOpenGL2.java
index 1b436fb60..6b4e1c3be 100644
--- a/java/libraries/opengl2/src/processing/opengl2/PGraphicsOpenGL2.java
+++ b/java/libraries/opengl2/src/processing/opengl2/PGraphicsOpenGL2.java
@@ -145,10 +145,11 @@ public class PGraphicsOpenGL2 extends PGraphics {
   static protected float maxLineWidth;
   static protected int maxTextureUnits;
   
-  /** OpenGL version strings */  
+  /** OpenGL information strings */
   static public String OPENGL_VENDOR;
   static public String OPENGL_RENDERER;
-  static public String OPENGL_VERSION;    
+  static public String OPENGL_VERSION;  
+  static public String OPENGL_EXTENSIONS;
   
   // ........................................................
 
@@ -6835,26 +6836,26 @@ public class PGraphicsOpenGL2 extends PGraphics {
     vboSupported = false;
     fboSupported = false;
     fboMultisampleSupported = false;
-    String extensions = gl.glGetString(GL.GL_EXTENSIONS);      
-    if (-1 < extensions.indexOf("texture_non_power_of_two")) {
+    OPENGL_EXTENSIONS = gl.glGetString(GL.GL_EXTENSIONS);      
+    if (-1 < OPENGL_EXTENSIONS.indexOf("texture_non_power_of_two")) {
       npotTexSupported = true;
     }
-    if (-1 < extensions.indexOf("generate_mipmap")) {
+    if (-1 < OPENGL_EXTENSIONS.indexOf("generate_mipmap")) {
       mipmapGeneration = true;
     }
-    if (-1 < extensions.indexOf("matrix_get")) {
+    if (-1 < OPENGL_EXTENSIONS.indexOf("matrix_get")) {
       matrixGetSupported = true;
     }
-    if (-1 < extensions.indexOf("texture_env_crossbar")) {
+    if (-1 < OPENGL_EXTENSIONS.indexOf("texture_env_crossbar")) {
       texenvCrossbarSupported = true;
     }
-    if (-1 < extensions.indexOf("vertex_buffer_object")) {
+    if (-1 < OPENGL_EXTENSIONS.indexOf("vertex_buffer_object")) {
       vboSupported = true;
     }
-    if (-1 < extensions.indexOf("framebuffer_object")) {
+    if (-1 < OPENGL_EXTENSIONS.indexOf("framebuffer_object")) {
       fboSupported = true;
     }
-    if (-1 < extensions.indexOf("framebuffer_multisample")) {
+    if (-1 < OPENGL_EXTENSIONS.indexOf("framebuffer_multisample")) {
       fboMultisampleSupported = true;
     }