diff --git a/GL/state.c b/GL/state.c
index 96f507a..4b48966 100644
--- a/GL/state.c
+++ b/GL/state.c
@@ -193,11 +193,13 @@ void _glUpdatePVRTextureContext(PolyContext *context, GLshort textureUnit) {
     }
 
     if(enableMipmaps) {
-        if(tx1->minFilter == GL_LINEAR_MIPMAP_NEAREST) {
+        // FIXME: This is probably the wrong filter for this
+        // GL mode, but I'm not sure what's correct...
+        if(tx1->minFilter == GL_NEAREST_MIPMAP_LINEAR) {
             filter = GPU_FILTER_TRILINEAR1;
         } else if(tx1->minFilter == GL_LINEAR_MIPMAP_LINEAR) {
             filter = GPU_FILTER_TRILINEAR2;
-        } else if(tx1->minFilter == GL_NEAREST_MIPMAP_LINEAR) {
+        } else if(tx1->minFilter == GL_LINEAR_MIPMAP_NEAREST) {
             filter = GPU_FILTER_BILINEAR;
         } else {
             filter = GPU_FILTER_NEAREST;
diff --git a/GL/texture.c b/GL/texture.c
index 7e9e9ec..143aef0 100644
--- a/GL/texture.c
+++ b/GL/texture.c
@@ -431,7 +431,7 @@ static void _glInitializeTextureObject(TextureObject* txr, unsigned int id) {
     txr->palette = NULL;
     txr->isCompressed = GL_FALSE;
     txr->isPaletted = GL_FALSE;
-    txr->mipmap_bias = GL_MAX_TEXTURE_LOD_BIAS_DEFAULT;
+    txr->mipmap_bias = GL_KOS_INTERNAL_DEFAULT_MIPMAP_LOD_BIAS;
 
     /* Not mipmapped by default */
     txr->baseDataOffset = 0;
diff --git a/include/GL/glext.h b/include/GL/glext.h
index 50cb63c..210d86b 100644
--- a/include/GL/glext.h
+++ b/include/GL/glext.h
@@ -195,7 +195,7 @@ GLAPI void APIENTRY glCompressedTexImage2DARB(GLenum target,
 #define GL_MAX_TEXTURE_LOD_BIAS           0x84FD
 #define GL_TEXTURE_LOD_BIAS               0x8501
 #define GL_MAX_TEXTURE_LOD_BIAS_DEFAULT 7
-#define GL_KOS_INTERNAL_DEFAULT_MIPMAP_LOD_BIAS -4
+#define GL_KOS_INTERNAL_DEFAULT_MIPMAP_LOD_BIAS 4
 #endif
 
 #ifndef GL_EXT_texture_lod_bias