diff --git a/binaries/data/config/default.cfg b/binaries/data/config/default.cfg
index c62527b1dd..86c29492cd 100644
--- a/binaries/data/config/default.cfg
+++ b/binaries/data/config/default.cfg
@@ -80,10 +80,10 @@ renderpath = default
 
 ;;;;; EXPERIMENTAL ;;;;;
 ; Prefer GLSL shaders over ARB shaders (not recommended). REQUIRES gentangents=true.
-preferglsl = true
+preferglsl = false
 
 ; Generate tangents for normal and parallax mapping. REQUIRES preferglsl=true.
-gentangents = true
+gentangents = false
 
 ; Experimental probably-non-working GPU skinning support; requires preferglsl; use at own risk
 gpuskinning = false