diff --git a/cfgparser.c b/cfgparser.c
index 1dde14ed89..08a0a5396d 100644
--- a/cfgparser.c
+++ b/cfgparser.c
@@ -647,7 +647,7 @@ static int config_read_option(m_config_t *config,config_t** conf_list, char *opt
 			    goto out;
 			  }
 			  ret = 1;
-			  res = malloc((n+1)*sizeof(char*));
+			  res = malloc((n+2)*sizeof(char*));
 			  ptr = param;
 			  n = 0;
 //			  while(ptr[0] != '\0') {
diff --git a/m_option.c b/m_option.c
index 75645c15ee..14da9809c4 100644
--- a/m_option.c
+++ b/m_option.c
@@ -498,7 +498,7 @@ static int parse_str_list(m_option_t* opt,char *name, char *param, void* dst, in
 
   if(!dst) return 1;
 
-  res = malloc((n+1)*sizeof(char*));
+  res = malloc((n+2)*sizeof(char*));
   ptr = param;
   n = 0;