diff --git a/pyscf_ipu/electron_repulsion/popcint/libcint.sh b/pyscf_ipu/electron_repulsion/popcint/libcint.sh
index 32ee3b9..e0cd425 100755
--- a/pyscf_ipu/electron_repulsion/popcint/libcint.sh
+++ b/pyscf_ipu/electron_repulsion/popcint/libcint.sh
@@ -1,7 +1,7 @@
 clear
 rm libcint.so 
 
-cc _libcint.c -shared -fpic -o libcint.so -lpoplar -lpoputil -fpermissive
+g++ libcint.c -shared -fpic -o libcint.so -lpoplar -lpoputil -fpermissive
 echo "Done compiling. Calling C code from python. "
 
-XLA_IPU_PLATFORM_DEVICE_COUNT=1 TF_POPLAR_FLAGS=--show_progress_bar=true python libcint.py
+XLA_IPU_PLATFORM_DEVICE_COUNT=1 TF_POPLAR_FLAGS=--show_progress_bar=true python libcint.py $@
\ No newline at end of file