diff --git a/shp_2_txt.cpp b/shp_2_txt.cpp
index c67ce77..590dedb 100644
--- a/shp_2_txt.cpp
+++ b/shp_2_txt.cpp
@@ -38,8 +38,8 @@ int main(int argc, char const *argv[])
     	        string dec_lon = "DEC_LON";
     	        string ellip_h = "ELLIP_HT";
     	        string ortho_h = "ORTHO_HT";
-				string str(szTitle);
-				string line;
+                string str(szTitle);
+                string line;
 
     	        if (szTitle == dec_lat or szTitle == dec_lon  or szTitle == ortho_h)
     	        {