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-rw-r--r--src/powder.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/powder.c b/src/powder.c
index 877048c..cc908c0 100644
--- a/src/powder.c
+++ b/src/powder.c
@@ -150,7 +150,7 @@ int try_move(int i, int x, int y, int nx, int ny)
if(!e)
{
- if(!legacy_enable && parts[i].type==PT_PHOT)
+ if(!legacy_enable && parts[i].type==PT_PHOT && r)
{
if((r & 0xFF) == PT_COAL || (r & 0xFF) == PT_BCOL)
parts[r>>8].temp = parts[i].temp;