diff --git a/tests/test_issues.cpp b/tests/test_issues.cpp
index 51013e5..16a44c7 100644
--- a/tests/test_issues.cpp
+++ b/tests/test_issues.cpp
@@ -64,7 +64,7 @@
         .def("__repr__", [](const Placeholder &p) { return "Placeholder[" + std::to_string(p.i) + "]"; });
 
     // #171: Can't return reference wrappers (or STL datastructures containing them)
-    m2.def("return_vec_of_reference_wrapper", [](std::reference_wrapper<Placeholder> p4){
+    m2.def("return_vec_of_reference_wrapper", [](std::reference_wrapper<Placeholder> p4) {
         Placeholder *p1 = new Placeholder{1};
         Placeholder *p2 = new Placeholder{2};
         Placeholder *p3 = new Placeholder{3};
@@ -103,7 +103,7 @@
     py::class_<ElementList, std::shared_ptr<ElementList>>(m2, "ElementList")
         .def(py::init<>())
         .def("add", &ElementList::add)
-        .def("get", [](ElementList &el){
+        .def("get", [](ElementList &el) {
             py::list list;
             for (auto &e : el.l)
                 list.append(py::cast(e));
diff --git a/tools/check-style.sh b/tools/check-style.sh
index 1661b59..1bc8b32 100755
--- a/tools/check-style.sh
+++ b/tools/check-style.sh
@@ -10,7 +10,7 @@
 IFS=$'\n'
 found=
 # The mt=41 sets a red background for matched tabs:
-exec 3< <(GREP_COLORS='mt=41' grep $'\t' include/ tests/ docs/*.rst -rn --color=always)
+exec 3< <(GREP_COLORS='mt=41' grep $'\t' include/ tests/*.{cpp,py,h} docs/*.rst -rn --color=always)
 while read -u 3 f; do
     if [ -z "$found" ]; then
         echo -e '\e[31m\e[01mError: found tabs instead of spaces in the following files:\e[0m'
@@ -22,7 +22,7 @@
 done
 
 found=
-exec 3< <(grep '\<\(if\|for\|while\)(' include/ tests/*.{cpp,py,h} -rn --color=always)
+exec 3< <(grep '\<\(if\|for\|while\)(\|){' include/ tests/*.{cpp,py,h} -rn --color=always)
 while read -u 3 line; do
     if [ -z "$found" ]; then
         echo -e '\e[31m\e[01mError: found the following coding style problems:\e[0m'