diff --git a/.travis.yml b/.travis.yml
index 1cefe6e73..10154d53f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ git:
 
 env:
   global:
-    - TAHOE_HYPOTHESIS_PROFILE=ci
+    - TAHOE_LAFS_HYPOTHESIS_PROFILE=ci
 
 install:
 # ~/.local/bin is on $PATH by default, but on OS-X, --user puts it elsewhere
diff --git a/src/allmydata/test/__init__.py b/src/allmydata/test/__init__.py
index 304a81df9..03bd56f5d 100644
--- a/src/allmydata/test/__init__.py
+++ b/src/allmydata/test/__init__.py
@@ -48,7 +48,7 @@ def _configure_hypothesis():
         deadline=None,
     )
 
-    profile_name = environ.get("TXKUBE_HYPOTHESIS_PROFILE", "default")
+    profile_name = environ.get("TAHOE_LAFS_HYPOTHESIS_PROFILE", "default")
     settings.load_profile(profile_name)
 _configure_hypothesis()