1 files changed, 1 insertions, 1 deletions
diff --git a/src/InterpGridArrays.c b/src/InterpGridArrays.c
index d3f09a7..66f6ebb 100644
--- a/src/InterpGridArrays.c
+++ b/src/InterpGridArrays.c
@@ -923,7 +923,7 @@ int PUGHInterp_InterpGridArrays (const cGH *GH,
 
       for (array = 0; array < N_output_arrays; array++)
       {
-        if (output_array_types[array] != type)
+        if (output_array_types[array] != type || ! output_arrays[array])
         {
           continue;
         }