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-rw-r--r--rts/sm/GC.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/rts/sm/GC.c b/rts/sm/GC.c
index 1ecbaf5ab1..d22a31eccb 100644
--- a/rts/sm/GC.c
+++ b/rts/sm/GC.c
@@ -1613,7 +1613,8 @@ resize_generations (void)
static void
resize_nursery (void)
{
- const StgWord min_nursery = RtsFlags.GcFlags.minAllocAreaSize * n_capabilities;
+ const StgWord min_nursery =
+ RtsFlags.GcFlags.minAllocAreaSize * (StgWord)n_capabilities;
if (RtsFlags.GcFlags.generations == 1)
{ // Two-space collector: