diff --git a/include/villas/node.hpp b/include/villas/node.hpp
index 77fc2d407..9bc249379 100644
--- a/include/villas/node.hpp
+++ b/include/villas/node.hpp
@@ -411,14 +411,12 @@ public:
 		return 0;
 	}
 
-	bool
-	isInternal() const
+	bool isInternal() const
 	{
 		return getFlags() & (int) Flags::INTERNAL;
 	}
 
-	bool
-	isHidden() const
+	bool isHidden() const
 	{
 		return isInternal() || getFlags() & (int) Flags::HIDDEN;
 	}
diff --git a/lib/nodes/exec.cpp b/lib/nodes/exec.cpp
index 6174aeb84..d5f11541b 100644
--- a/lib/nodes/exec.cpp
+++ b/lib/nodes/exec.cpp
@@ -181,13 +181,13 @@ int ExecNode::_write(struct Sample * smps[], unsigned cnt)
 
 const std::string & ExecNode::getDetails()
 {
-	std::string wd = working_dir;
-	if (wd.empty()) {
-		char buf[128];
-		wd = getcwd(buf, sizeof(buf));
-	}
-
 	if (details.empty()) {
+		std::string wd = working_dir;
+		if (wd.empty()) {
+			char buf[128];
+			wd = getcwd(buf, sizeof(buf));
+		}
+
 		details = fmt::format("exec={}, shell={}, flush={}, #environment={}, #arguments={}, working_dir={}",
 			command,
 			shell ? "yes" : "no",