diff --git a/src/core/Streaming.cpp b/src/core/Streaming.cpp
index 4a7fbd7..594a054 100644
--- a/src/core/Streaming.cpp
+++ b/src/core/Streaming.cpp
@@ -228,8 +228,13 @@ CStreaming::Init2(void)
 		if(ms_memoryAvailable < 10*MB)
 			ms_memoryAvailable = 10*MB;
 	} else
+		ms_memoryAvailable = STREAMING_MEM_SIZE;
+#else
+	extern size_t _dwMemAvailPhys;
+	ms_memoryAvailable = (_dwMemAvailPhys - 10 * MB) / 2;
+	if (ms_memoryAvailable < 10 * MB)
+		ms_memoryAvailable = 10 * MB;
 #endif
-	ms_memoryAvailable = STREAMING_MEM_SIZE;
 	desiredNumVehiclesLoaded = 12;
 	if(desiredNumVehiclesLoaded > MAXVEHICLESLOADED)
 		desiredNumVehiclesLoaded = MAXVEHICLESLOADED;
@@ -2702,8 +2707,12 @@ CStreaming::MakeSpaceFor(int32 size)
 			ms_memoryAvailable = (_dwMemAvailPhys - 10 * MB) / 2;
 			if(ms_memoryAvailable < 10 * MB) ms_memoryAvailable = 10 * MB;
 		} else
-#endif
 		ms_memoryAvailable = STREAMING_MEM_SIZE;
+#else
+	extern size_t _dwMemAvailPhys;
+	ms_memoryAvailable = (_dwMemAvailPhys - 10 * MB) / 2;
+	if (ms_memoryAvailable < 10 * MB) ms_memoryAvailable = 10 * MB;
+#endif
 	}
 #undef MB
 #endif