diff --git a/libtcc.c b/libtcc.c
index 9f486f32..601999ea 100644
--- a/libtcc.c
+++ b/libtcc.c
@@ -330,7 +330,7 @@ ST_FUNC Section *new_section(TCCState *s1, const char *name, int sh_type, int sh
 {
     Section *sec;
 
-    sec = tcc_mallocz(sizeof(Section) + strlen(name)+1);
+    sec = tcc_mallocz(sizeof(Section) + strlen(name));
     strcpy(sec->name, name);
     sec->sh_type = sh_type;
     sec->sh_flags = sh_flags;