2 files changed, 6 insertions, 3 deletions
diff --git a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsExternalWGLContext.java b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsExternalWGLContext.java
index 95d7d8b82..c46b3c9dd 100644
--- a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsExternalWGLContext.java
+++ b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsExternalWGLContext.java
@@ -50,7 +50,6 @@ import javax.media.opengl.GLDrawableFactory;
 import javax.media.opengl.GLException;
 import javax.media.opengl.GLProfile;
 
-
 import jogamp.nativewindow.WrappedSurface;
 import jogamp.nativewindow.windows.GDI;
 import jogamp.opengl.GLContextShareSet;
@@ -64,7 +63,9 @@ public class WindowsExternalWGLContext extends WindowsWGLContext {
       System.err.println(getThreadName() + ": Created external OpenGL context " + toHexString(ctx) + " for " + this);
     }
     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
   }
 
diff --git a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLContext.java b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLContext.java
index 82be3e2b9..b1e41624d 100644
--- a/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLContext.java
+++ b/src/jogl/classes/jogamp/opengl/windows/wgl/WindowsWGLContext.java
@@ -325,7 +325,9 @@ public class WindowsWGLContext extends GLContextImpl {
         if ( !WGL.wglMakeCurrent(drawable.getHandle(), temp_ctx) ) {
             throw new GLException("Error making temp context current: 0x" + toHexString(temp_ctx) + ", werr: "+GDI.GetLastError());
         }
-        setGLFunctionAvailability(true, 0, 0, CTX_PROFILE_COMPAT, false /* strictMatch */, false /* withinGLVersionsMapping */); // use GL_VERSION
+        if( !setGLFunctionAvailability(true, 0, 0, CTX_PROFILE_COMPAT, false /* strictMatch */, false /* withinGLVersionsMapping */) ) { // use GL_VERSION
+            throw new InternalError("setGLFunctionAvailability !strictMatch failed");
+        }
         WGL.wglMakeCurrent(0, 0); // release temp context
 
         if( !createContextARBTried ) {