diff --git a/marchenko/marchenko_primaries.c b/marchenko/marchenko_primaries.c
index ee5c2750d484863ca9d4b1e63727c2dd7d6f003c..afecdcc4252fb758bfcec7d578439f8ccd54ef0b 100644
--- a/marchenko/marchenko_primaries.c
+++ b/marchenko/marchenko_primaries.c
@@ -695,7 +695,7 @@ int main (int argc, char **argv)
             if((ii-istart)==10)t4=wallclock_time();
             if((ii-istart)==20){
                 t4=(wallclock_time()-t4)*((iend-istart)/10.0);
-                fprintf(stderr,"\r    %s: Estimated total compute time = %.2fs.\n    %s: Progress: %3d%%",xargv[0],t4,xargv[0],(ii-istart)/((iend-istart)/100.0));
+                fprintf(stderr,"\r    %s: Estimated total compute time = %.2f s.\n    %s: Progress: %.0f%%",xargv[0],(float)t4,xargv[0],(ii-istart)/((iend-istart)/100.0));
             }
             //t4=wallclock_time();
             tii=(t4-t1)*((float)(iend-istart)/(ii-istart+1.0))-(t4-t1);