diff --git a/jme3-core/src/main/java/com/jme3/renderer/opengl/GLRenderer.java b/jme3-core/src/main/java/com/jme3/renderer/opengl/GLRenderer.java
index d726a7280a..be54cb3092 100644
--- a/jme3-core/src/main/java/com/jme3/renderer/opengl/GLRenderer.java
+++ b/jme3-core/src/main/java/com/jme3/renderer/opengl/GLRenderer.java
@@ -2868,6 +2868,10 @@ private void updateTexImageData(Image img, Texture.Type type, int unit, boolean
                             cpuMipmapsGenerated = true;
                             scaleToPot = false;
                             img.setMipmapsGenerated(true);
+                            logger.log(Level.WARNING,
+                                    "Texture " + img + " requires mipmaps, but the format " + img.getFormat()
+                                            + " does not support hardware mipmap generation."
+                                            + " Falling back to CPU mipmap generation.");
                         }
                     } catch (RuntimeException exception) {
                         cpuMipmapFallbackFailed = true;