diff --git a/lib/yaml/__init__.py b/lib/yaml/__init__.py
index e7a419d..5f80761 100644
--- a/lib/yaml/__init__.py
+++ b/lib/yaml/__init__.py
@@ -106,6 +106,7 @@ def load(stream, Loader=None):
     and produce the corresponding Python object.
     """
     if Loader is None:
+        raise RuntimeError("Unsafe load() call disabled by Gentoo. See bug #659348")
         load_warning('load')
         Loader = FullLoader
 
@@ -121,6 +122,7 @@ def load_all(stream, Loader=None):
     and produce corresponding Python objects.
     """
     if Loader is None:
+        raise RuntimeError("Unsafe load() call disabled by Gentoo. See bug #659348")
         load_warning('load_all')
         Loader = FullLoader
 
diff --git a/lib3/yaml/__init__.py b/lib3/yaml/__init__.py
index 5df0bb5..6952ba5 100644
--- a/lib3/yaml/__init__.py
+++ b/lib3/yaml/__init__.py
@@ -106,6 +106,7 @@ def load(stream, Loader=None):
     and produce the corresponding Python object.
     """
     if Loader is None:
+        raise RuntimeError("Unsafe load() call disabled by Gentoo. See bug #659348")
         load_warning('load')
         Loader = FullLoader
 
@@ -121,6 +122,7 @@ def load_all(stream, Loader=None):
     and produce corresponding Python objects.
     """
     if Loader is None:
+        raise RuntimeError("Unsafe load() call disabled by Gentoo. See bug #659348")
         load_warning('load_all')
         Loader = FullLoader