diff --git a/.conda/heffte/cuda/build.sh b/.conda/heffte/cuda/build.sh
index 4628c64c1..89974bb24 100755
--- a/.conda/heffte/cuda/build.sh
+++ b/.conda/heffte/cuda/build.sh
@@ -11,7 +11,7 @@ fi
 
 source "$RECIPE_DIR/../../cross-compile-setup.sh"
 
-export OMPI_CXX=nvcc
+export OMPI_CXX='which nvcc'
 # Only do this for cross compiling
 #if [ "$PLATFORM" != "linux-64" ] ; then
 #    export NVCC_PREPEND_FLAGS="-ccbin $CXX";