diff --git a/Install-Ntk-Debug.sh b/Install-Ntk-Debug.sh
index 59c5e89..c4918a6 100755
--- a/Install-Ntk-Debug.sh
+++ b/Install-Ntk-Debug.sh
@@ -2,6 +2,6 @@
 
 make clean
 autoreconf -i
-CFLAGS="-g" ./configure
+CFLAGS="-g" "-std=c99" ./configure
 make
 sudo make install
diff --git a/src/Ntk-Console/Netsukuku-Console.c b/src/Ntk-Console/Netsukuku-Console.c
index 9f4ddba..598be3e 100644
--- a/src/Ntk-Console/Netsukuku-Console.c
+++ b/src/Ntk-Console/Netsukuku-Console.c
@@ -64,9 +64,8 @@ void response_cleanup(char response[BUFFER_LENGTH]) {
     char remove = 'a';
 
     char* c;
-    int x;
     char* pPosition;
-    while(pPosition = strchr(response, 'a') != NULL)  {
+    while((pPosition = strchr(response, 'a')) != NULL)  {
         if ((c = index(response, remove)) != NULL) {
         size_t len_left = sizeof(response) - (c+1-response);
         memmove(c, c+1, len_left);