diff --git a/scripts/make_soa.m b/scripts/make_soa.m
index e77e87e..d3b2229 100644
--- a/scripts/make_soa.m
+++ b/scripts/make_soa.m
@@ -31,8 +31,8 @@
     fp=fopen(file_para,'w');
     
     for idx=1:length(trigger.time)
-        fprintf(fp,'%2.2f\t%d\n',trigger.time(idx),trigger.event{idx});
+        fprintf(fp,'%2.2f\t%s\n',trigger.time(idx),trigger.event{idx});
     end;
     
     fclose(fp);
-end;
\ No newline at end of file
+end;