diff --git a/cpp/switchchain_properties.cpp b/cpp/switchchain_properties.cpp
index ef2e27771dacb5f93dec3dd8860bd37714dcfe6c..7f8f24c08ddd01da5386dd1b976ac2250b9434bc 100644
--- a/cpp/switchchain_properties.cpp
+++ b/cpp/switchchain_properties.cpp
@@ -159,7 +159,7 @@ int main(int argc, char* argv[]) {
                 for (auto& f : avgLspectrum)
                     f /= float(measurements);
 
-                std::cout << "Measuring done." << std::flush;
+                std::cout << "Measuring done. " << std::flush;
 
                 if (outputComma)
                     outfile << ',' << '\n';