diff --git a/src/parse_action.c b/src/parse_action.c
index 3f2a287..5a82b8e 100644
--- a/src/parse_action.c
+++ b/src/parse_action.c
@@ -5,6 +5,7 @@
 
 #include <ami.h>
 #include <string.h>
+#include <parse_string.h>
 
 /*!
  * Cuida das respostas que chegam da AMi das actions enviadas
diff --git a/src/parse_string.c b/src/parse_string.c
index acd468a..b49d655 100644
--- a/src/parse_string.c
+++ b/src/parse_string.c
@@ -7,6 +7,7 @@
 
 #include <string.h>
 #include <stdio.h>
+#include <parse_string.h>
 
 #define END_AND_EVENT "\r\n\r\nEvent: "
 #define END_AND_RESPONSE "\r\n\r\nResponse: "
@@ -235,7 +236,7 @@ int strcmp_n(const char *str1, const char *str2){
  * \param comprimento da string
  * \return os mesmos valores de strncasecmp
  */
-int strncasecmp_n( const char *str1, const char *str2, size_t len ){
+int strcasecmp_n( const char *str1, const char *str2){
 
 	if( str1 == NULL && str2 == NULL ){
 		return 0;
@@ -247,5 +248,5 @@ int strncasecmp_n( const char *str1, const char *str2, size_t len ){
 		return 1;
 	}
 
-	return strncasecmp( str1, str2, len);
+	return strncasecmp( str1, str2, strlen(str1));
 }
\ No newline at end of file
diff --git a/src/parse_string.h b/src/parse_string.h
index ef1530e..f153afb 100644
--- a/src/parse_string.h
+++ b/src/parse_string.h
@@ -104,7 +104,7 @@ int strcmp_n(const char *s1, const char *s2);
  * \param comprimento da string
  * \return os mesmos valores de strncasecmp
  */
-int strncasecmp_n( const char *str1, const char *str2, size_t len );
+int strcasecmp_n( const char *str1, const char *str2);
 
 #endif