diff --git a/x64/Release/amd.bat b/x64/Release/amd.bat
index c786490..10e92cd 100644
--- a/x64/Release/amd.bat
+++ b/x64/Release/amd.bat
@@ -1,3 +1,4 @@
+set GPU_MAX_HEAP_SIZE=100
 set GPU_MAX_ALLOC_PERCENT=100
 set GPU_USE_SYNC_OBJECTS=1
 dagSimCL.exe
\ No newline at end of file