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-rw-r--r--src/SetupGroup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/SetupGroup.c b/src/SetupGroup.c
index 76618fd..bd00fd6 100644
--- a/src/SetupGroup.c
+++ b/src/SetupGroup.c
@@ -149,7 +149,7 @@ static int PUGH_SetupGAGroup (pGH *newGH,
*/
for (i = 0 ; i < dim; i++)
{
- if (abs (nsize[i]) <= 2*ghostsize[i])
+ if (abs (nsize[i]) > 0 && abs (nsize[i]) <= 2*ghostsize[i])
{
nprocs[i] = 1;
}