diff --git a/src/libnptm/Configuration.cpp b/src/libnptm/Configuration.cpp
index 7981b35d116badf9a9ca3690c0bb92363e0ddfd9..669547249aac078dbc14e4b52dd18124ccdcb7d6 100644
--- a/src/libnptm/Configuration.cpp
+++ b/src/libnptm/Configuration.cpp
@@ -657,7 +657,7 @@ void ScattererConfiguration::write_formatted(string file_name) {
 				wl_vec[i] = two_pi / wn_vec[i];
 				fprintf(
 						output,
-						"%5d %13.4lE %13.4lE %13.4lE %13.4lE %13.4lE\n",
+						"%5d%13.4lE%13.4lE%13.4lE%13.4lE%13.4lE\n",
 						(i + 1),
 						xi_vec[i],
 						wn_vec[i],
@@ -677,7 +677,7 @@ void ScattererConfiguration::write_formatted(string file_name) {
 				ev_vec[i] = pu_vec[i] * evc;
 				fprintf(
 						output,
-						"%5d %13.4lE %13.4lE %13.4lE %13.4lE %13.4lE\n",
+						"%5d%13.4lE%13.4lE%13.4lE%13.4lE%13.4lE\n",
 						(i + 1),
 						wn_vec[i],
 						wl_vec[i],
@@ -697,7 +697,7 @@ void ScattererConfiguration::write_formatted(string file_name) {
 				ev_vec[i] = pu_vec[i] * evc;
 				fprintf(
 						output,
-						"%5d %13.4lE %13.4lE %13.4lE %13.4lE %13.4lE\n",
+						"%5d%13.4lE%13.4lE%13.4lE%13.4lE%13.4lE\n",
 						(i + 1),
 						wl_vec[i],
 						wn_vec[i],
@@ -717,7 +717,7 @@ void ScattererConfiguration::write_formatted(string file_name) {
 				ev_vec[i] = pu_vec[i] * evc;
 				fprintf(
 						output,
-						"%5d %13.4lE %13.4lE %13.4lE %13.4lE %13.4lE\n",
+						"%5d%13.4lE%13.4lE%13.4lE%13.4lE%13.4lE\n",
 						(i + 1),
 						pu_vec[i],
 						wn_vec[i],
@@ -737,7 +737,7 @@ void ScattererConfiguration::write_formatted(string file_name) {
 				wl_vec[i] = two_pi / wn_vec[i];
 				fprintf(
 						output,
-						"%5d %13.4lE %13.4lE %13.4lE %13.4lE %13.4lE\n",
+						"%5d%13.4lE%13.4lE%13.4lE%13.4lE%13.4lE\n",
 						(i + 1),
 						ev_vec[i],
 						wn_vec[i],