diff --git a/jme3-core/src/main/java/com/jme3/renderer/opengl/TextureUtil.java b/jme3-core/src/main/java/com/jme3/renderer/opengl/TextureUtil.java
index 7e74ceb3b3..3e89abe3b0 100644
--- a/jme3-core/src/main/java/com/jme3/renderer/opengl/TextureUtil.java
+++ b/jme3-core/src/main/java/com/jme3/renderer/opengl/TextureUtil.java
@@ -105,6 +105,12 @@ public GLImageFormat getImageFormatWithError(Format fmt, boolean isSrgb) {
     }
     
     private void setupTextureSwizzle(int target, Format format) {
+        // Swizzle state belongs to the cubemap, not to an individual image face.
+        // OpenGL defines the six face enums contiguously (0x8515 through 0x851A).
+        if (target >= GL.GL_TEXTURE_CUBE_MAP_POSITIVE_X
+                && target <= GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) {
+            target = GL.GL_TEXTURE_CUBE_MAP;
+        }
         // Needed for OpenGL 3.3 to support luminance / alpha formats
         switch (format) {
             case Alpha8: