diff --git a/src/nrnpython/nrnpy_nrn.cpp b/src/nrnpython/nrnpy_nrn.cpp
index c90d5c7661..efbab64c98 100644
--- a/src/nrnpython/nrnpy_nrn.cpp
+++ b/src/nrnpython/nrnpy_nrn.cpp
@@ -1169,7 +1169,7 @@ static PyObject* pysec_subtree_impl(Section* sec) {
         return nullptr;
     }
 
-    if(!pysec_subtree1(result.ptr(), sec)) {
+    if (!pysec_subtree1(result.ptr(), sec)) {
         return nullptr;
     }