diff --git a/libfaketime/__init__.py b/libfaketime/__init__.py
index 0763be9..8119287 100644
--- a/libfaketime/__init__.py
+++ b/libfaketime/__init__.py
@@ -57,11 +57,13 @@ def _setup_ld_preload(soname):
     "linux": {
         "DONT_FAKE_MONOTONIC": "1",
         "FAKETIME_NO_CACHE": "1",
+        "FAKETIME_FORCE_MONOTONIC_FIX": "0",
     },
     "darwi": {
         "DONT_FAKE_MONOTONIC": "1",
         "DYLD_FORCE_FLAT_NAMESPACE": "1",
         "FAKETIME_NO_CACHE": "1",
+        "FAKETIME_FORCE_MONOTONIC_FIX": "0",
     },
 }