diff --git a/fluents/lib/hypergeom.py b/fluents/lib/hypergeom.py
index f04744f..d7e4f01 100644
--- a/fluents/lib/hypergeom.py
+++ b/fluents/lib/hypergeom.py
@@ -1,7 +1,8 @@
 import scipy
 
 try:
-    import rpy
+    # FIXME: remove rpy in a more proper way
+    import rpy_does_not_exist
     has_rpy = True
     silent_eval = rpy.with_mode(rpy.NO_CONVERSION, rpy.r)
 except: