diff --git a/apps/openmw/mwworld/timestamp.cpp b/apps/openmw/mwworld/timestamp.cpp
index bd07b91f3..ffb1cacb8 100644
--- a/apps/openmw/mwworld/timestamp.cpp
+++ b/apps/openmw/mwworld/timestamp.cpp
@@ -96,7 +96,7 @@ namespace MWWorld
         if (left.getHour()<right.getHour())
         {
             hours = 24-right.getHour()+left.getHour();
-            ++days;
+            --days;
         }
         else
         {
diff --git a/components/resource/objectcache.cpp b/components/resource/objectcache.cpp
index 8c2c52416..7264d05aa 100644
--- a/components/resource/objectcache.cpp
+++ b/components/resource/objectcache.cpp
@@ -13,7 +13,7 @@
 
 #include <osg/Version>
 
-#if OSG_VERSION_LESS_THAN(3,4,0)
+#if OSG_VERSION_LESS_THAN(3,3,3)
 
 #include "objectcache.hpp"
 
diff --git a/components/resource/objectcache.hpp b/components/resource/objectcache.hpp
index 0a342f27f..cae48ca6b 100644
--- a/components/resource/objectcache.hpp
+++ b/components/resource/objectcache.hpp
@@ -19,7 +19,7 @@
 
 #include <osg/Version>
 
-#if OSG_VERSION_GREATER_OR_EQUAL(3,4,0)
+#if OSG_VERSION_GREATER_OR_EQUAL(3,3,3)
 #include <osgDB/ObjectCache>
 #else