1 files changed, 3 insertions, 2 deletions
diff --git a/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXExternalCGLContext.java b/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXExternalCGLContext.java
index a2cf334ce..5d036d45a 100644
--- a/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXExternalCGLContext.java
+++ b/src/jogl/classes/jogamp/opengl/macosx/cgl/MacOSXExternalCGLContext.java
@@ -49,7 +49,6 @@ import javax.media.opengl.GLContext;
 import javax.media.opengl.GLDrawableFactory;
 import javax.media.opengl.GLException;
 
-
 import jogamp.nativewindow.WrappedSurface;
 import jogamp.opengl.GLContextImpl;
 import jogamp.opengl.GLContextShareSet;
@@ -63,7 +62,9 @@ public class MacOSXExternalCGLContext extends MacOSXCGLContext {
     setOpenGLMode(isNSContext ? GLBackendType.NSOPENGL : GLBackendType.CGL );
     this.contextHandle = handle;
     GLContextShareSet.contextCreated(this);
-    setGLFunctionAvailability(false, 0, 0, CTX_PROFILE_COMPAT, false /* strictMatch */, false /* withinGLVersionsMapping */); // use GL_VERSION
+    if( !setGLFunctionAvailability(false, 0, 0, CTX_PROFILE_COMPAT, false /* strictMatch */, false /* withinGLVersionsMapping */) ) { // use GL_VERSION
+        throw new InternalError("setGLFunctionAvailability !strictMatch failed");
+    }
     getGLStateTracker().setEnabled(false); // external context usage can't track state in Java
   }