diff --git a/examples/test.c b/examples/test.c
index 86327d4bbde266f3611026c53344407c3a7953db..36ead64386c0fa652e0e6b8b95f2861ba95ee10e 100644
--- a/examples/test.c
+++ b/examples/test.c
@@ -703,7 +703,7 @@ int main ( int argc , char *argv[] ) {
 	case 'd':
 	  if ( sscanf( optarg , "%f" , &dt_max ) != 1 )
 	    error( "Error parsing timestep." );
-	  printf( "main: dt set to %.3f.\n" , dt_max ); fflush(stdout);
+	  printf( "main: dt set to %e.\n" , dt_max ); fflush(stdout);
 	  break;
 	case 'f':
 	  if( !strcpy(ICfileName, optarg))