diff --git a/android/core/src/processing/opengl/PGL.java b/android/core/src/processing/opengl/PGL.java
index 14ddf2df6..8937b8818 100644
--- a/android/core/src/processing/opengl/PGL.java
+++ b/android/core/src/processing/opengl/PGL.java
@@ -557,6 +557,8 @@ public class PGL {
   
   public void endOnscreenDraw(boolean clear0) {
     if (!clear0) {
+      GLES20.glDisable(GLES20.GL_BLEND);
+      
       // We are in the primary surface, and no clear mode, this means that the current
       // contents of the front buffer needs to be used in the next frame as the background.
       GLES20.glBindFramebuffer(GLES20.GL_FRAMEBUFFER, 0); 
diff --git a/java/libraries/opengl/src/processing/opengl/PGL.java b/java/libraries/opengl/src/processing/opengl/PGL.java
index a02151d4f..68d22211b 100644
--- a/java/libraries/opengl/src/processing/opengl/PGL.java
+++ b/java/libraries/opengl/src/processing/opengl/PGL.java
@@ -758,13 +758,15 @@ public class PGL {
 
   public void endOnscreenDraw(boolean clear0) {
     if (colorFBO[0] != 0) {
+      gl.glDisable(GL.GL_BLEND);
+      
       // Blit the contents of the multisampled FBO into the color FBO:
       gl.glBindFramebuffer(GL2.GL_READ_FRAMEBUFFER, multiFBO[0]);
       gl.glBindFramebuffer(GL2.GL_DRAW_FRAMEBUFFER, colorFBO[0]);
       gl2x.glBlitFramebuffer(0, 0, fboWidth, fboHeight,
                              0, 0, fboWidth, fboHeight, 
                              GL.GL_COLOR_BUFFER_BIT, GL.GL_NEAREST);
-
+      
       // And finally write the color texture to the screen.
       gl.glBindFramebuffer(GL.GL_FRAMEBUFFER, 0);      
       gl.glClearDepth(1);