diff --git a/Makefile b/Makefile
index 3b0afc0..9069950 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,11 @@
 compile:
 	bison --verbose -d Monicelli.y
-	flex -P monicelli_ Monicelli.ll
-	g++ -std=c++11 -DYYDEBUG=0 Monicelli.tab.c lex.monicelli_.c Nodes.cpp main.cpp -o mcc
-	rm Monicelli.tab.* lex.monicelli_.c
+	flex -P mc Monicelli.ll
+	g++ -std=c++11 -DYYDEBUG=0 Monicelli.tab.c lex.mc.c Nodes.cpp main.cpp -o mcc
+	rm Monicelli.tab.* lex.mc.c
 
 graph:
 	bison --graph Monicelli.y
 
 clean:
-	rm -f Monicelli.dot Monicelli.tab.* lex.monicelli_.c Monicelli.output
+	rm -f Monicelli.dot Monicelli.tab.* lex.mc.c Monicelli.output
diff --git a/Monicelli.ll b/Monicelli.ll
index 54902cb..7384bfc 100644
--- a/Monicelli.ll
+++ b/Monicelli.ll
@@ -5,8 +5,8 @@
 
 extern int lineNumber;
 
-void monicelli_error(const char *);
-void monicelli_meta(const char *);
+void mcerror(const char *);
+void mcmeta(const char *);
 
 using namespace monicelli;
 %}
@@ -25,7 +25,7 @@ CHAR  [a-zA-Z_]
 }
 
 "#"[^\n]* {
-    monicelli_meta(yytext + 1);
+    mcmeta(yytext + 1);
 }
 
 "bituma"[^\n]* {}
@@ -37,23 +37,23 @@ CHAR  [a-zA-Z_]
     return RETURN;
 }
 "Necchi" {
-    monicelli_lval.typeval = Type::INT;
+    mclval.typeval = Type::INT;
     return TYPENAME;
 }
 "Mascetti" {
-    monicelli_lval.typeval = Type::CHAR;
+    mclval.typeval = Type::CHAR;
     return TYPENAME;
 }
 "Perozzi" {
-    monicelli_lval.typeval = Type::FLOAT;
+    mclval.typeval = Type::FLOAT;
     return TYPENAME;
 }
 "Melandri" {
-    monicelli_lval.typeval = Type::BOOL;
+    mclval.typeval = Type::BOOL;
     return TYPENAME;
 }
 "Sassaroli" {
-    monicelli_lval.typeval = Type::DOUBLE;
+    mclval.typeval = Type::DOUBLE;
     return TYPENAME;
 }
 "conte" {
@@ -162,17 +162,17 @@ CHAR  [a-zA-Z_]
 <INITIAL,shift>[ \t\f\v] {}
 
 {CHAR}({DIGIT}|{CHAR})* {
-    monicelli_lval.strval = strdup(yytext);
+    mclval.strval = strdup(yytext);
     return ID;
 } 
 
 {DIGIT}+ {
-    monicelli_lval.intval = strtol(yytext, NULL, 10);
+    mclval.intval = strtol(yytext, NULL, 10);
     return NUMBER;
 }
 
 <INITIAL,shift>. {
-    monicelli_error("Unexpected token");
+    mcerror("Unexpected token");
     return -1;
 }
 
diff --git a/Monicelli.y b/Monicelli.y
index 79a2a72..77d7cd3 100644
--- a/Monicelli.y
+++ b/Monicelli.y
@@ -15,7 +15,7 @@ extern Program *program;
 #include "Nodes.hpp"
 }
 
-%define api.prefix {monicelli_}
+%define api.prefix {mc}
 
 %token MAIN
 %token RETURN
diff --git a/main.cpp b/main.cpp
index 5f1f555..afe32a8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -11,15 +11,15 @@ using namespace monicelli;
 int lineNumber = 1;
 Program *program;
 
-extern FILE *monicelli_in;
+extern FILE *mcin;
 
 
-void monicelli_error(const char *message) {
+void mcerror(const char *message) {
     std::cerr << "At line " << lineNumber << ": " << message << std::endl;
     std::exit(1);
 }
 
-void monicelli_meta(const char *text) {
+void mcmeta(const char *text) {
     while (text != '\0' && *text == ' ') {
         text += 1;
     }
@@ -28,7 +28,7 @@ void monicelli_meta(const char *text) {
 
 int main(int argc, char **argv) {
 #if YYDEBUG
-    monicelli_debug = 1;
+    mcdebug = 1;
 #endif
 
     bool fromFile = argc > 1;
@@ -37,11 +37,11 @@ int main(int argc, char **argv) {
     program = new Program();
 
     if (fromFile) {
-        monicelli_in = fopen(argv[1], "r");
+        mcin = fopen(argv[1], "r");
     }
-    monicelli_parse();
+    mcparse();
     if (fromFile) {
-        fclose(monicelli_in);
+        fclose(mcin);
     }
     if (toFile) {
         std::ofstream out(argv[2]);