diff --git a/geo.c b/geo.c
index 3c52cad..57c2856 100644
--- a/geo.c
+++ b/geo.c
@@ -90,7 +90,7 @@ AI_geoinfobyaddr ( const char *ip, double **coord )
 	fprintf ( fp,
 		"POST /index.html HTTP/1.1\r\n"
 		"Host: www.hostip.info\r\n"
-		"Content-Length: %u\r\n"
+		"Content-Length: %lu\r\n"
 		"Content-Type: application/x-www-form-urlencoded; charset=utf-8\r\n"
 		"Connection: close\r\n\r\n"
 		"%s\r\n",
diff --git a/kb.c b/kb.c
index 6230a3e..10c422a 100644
--- a/kb.c
+++ b/kb.c
@@ -44,7 +44,7 @@ PRIVATE AI_hyperalert_info *hyperalerts = NULL;
 PRIVATE char*
 __AI_get_function_name ( const char *orig_stmt )
 {
-	int parenthesis_pos, function_name_len;
+	unsigned long int parenthesis_pos, function_name_len;
 	char function_name[4096];
 	char *stmt = NULL;
 
@@ -54,10 +54,10 @@ __AI_get_function_name ( const char *orig_stmt )
 
 	memset ( function_name, 0, sizeof ( function_name ));
 
-	if ( !( parenthesis_pos = (int) strstr ( stmt, "(" )))
+	if ( !( parenthesis_pos = (unsigned long int) strstr ( stmt, "(" )))
 		return NULL;
 
-	parenthesis_pos -= (int) stmt;
+	parenthesis_pos -= (unsigned long int) stmt;
 	function_name_len = ( parenthesis_pos < sizeof ( function_name )) ? parenthesis_pos : sizeof ( function_name );
 	strncpy ( function_name, stmt, function_name_len );
 
@@ -78,17 +78,17 @@ __AI_get_function_arguments ( char *orig_stmt, int *n_args )
 	char **args  = NULL;
 	char *tok    = NULL;
 	char *stmt   = NULL;
-	int  par_pos = 0;
+	unsigned long int  par_pos = 0;
 	     *n_args = 0;
 
 	if ( !( stmt = (char*) alloca ( strlen ( orig_stmt ))))
 		return NULL;
 	strcpy ( stmt, orig_stmt );
 
-	if ( !( par_pos = (int) strstr ( stmt, "(" )))
+	if ( !( par_pos = (unsigned long int) strstr ( stmt, "(" )))
 		return NULL;
 	
-	par_pos -= (int) stmt;
+	par_pos -= (unsigned long int) stmt;
 	stmt += par_pos + 1;
 
 	if ( stmt [ strlen(stmt) - 1 ] == ')' )
diff --git a/regex.c b/regex.c
index 9f7d591..5703e32 100644
--- a/regex.c
+++ b/regex.c
@@ -164,7 +164,7 @@ str_replace ( char *str, char *orig, char *rep )
 	unsigned long int new_len = 0;
 	unsigned long int pos     = 0;
 
-	if ( !( pos = (int) strstr ( str, orig )))
+	if ( !( pos = (unsigned long int) strstr ( str, orig )))
 		return str;
 
 	new_len = strlen(str) - strlen(orig) + ((rep) ? strlen(rep) : 0) + 1;
diff --git a/spp_ai.c b/spp_ai.c
index 45d7924..536ba9e 100644
--- a/spp_ai.c
+++ b/spp_ai.c
@@ -186,8 +186,8 @@ static AI_config * AI_parse(char *args)
 	int  nmatches        = 0;
 
 	int      i;
-	int      offset;
 	int      len;
+	unsigned long int offset;
 	double   corr_threshold_coefficient = DEFAULT_CORR_THRESHOLD;
 	uint32_t netmask;
 
@@ -1174,7 +1174,7 @@ static AI_config * AI_parse(char *args)
 		type    = none;
 
 		match   = strdup ( matches[1] );
-		offset  = (int) strcasestr ( args, matches[0] ) - (int) args;
+		offset  = (unsigned long int) strcasestr ( args, matches[0] ) - (unsigned long int) args;
 		len     = strlen ( matches[0] );
 
 		for ( i=0; i < nmatches; i++ )
@@ -1339,7 +1339,7 @@ static AI_config * AI_parse(char *args)
 			}
 		}
 
-		for ( i=offset; i <= strlen(args); i++ )
+		for ( i = (int) offset; i <= strlen(args); i++ )
 			args[i] = args[ i+len ];
 
 		if ( min_val == -1 || max_val == -1 || type == none || strlen ( label ) == 0 )
diff --git a/stream.c b/stream.c
index e040934..5e699f2 100644
--- a/stream.c
+++ b/stream.c
@@ -268,7 +268,7 @@ AI_pkt_enqueue ( SFSnortPacket* pkt )
 
 			for ( ; found->next; found = found->next )  {
 				/* Stupid memory bug fixed in a stupid and unelegant way */
-				if ( (int) found->next->pkt < 0x100 )
+				if ( (unsigned long int) found->next->pkt < 0x100 )
 					break;
 
 				/* If the sequence number of the next packet in the stream
diff --git a/webserv.c b/webserv.c
index 588342e..ac73e97 100644
--- a/webserv.c
+++ b/webserv.c
@@ -33,7 +33,7 @@
 								"Date: %s\r\n" \
 								"Server: %s\r\n" \
 								"Content-Type: %s\r\n" \
-								"Content-Length: %u\r\n\r\n"
+								"Content-Length: %lu\r\n\r\n"
 
 #define 	HTTP_CGI_RESPONSE_HEADERS_FORMAT 	"%s %d %s\r\n" \
 									"Date: %s\r\n" \
@@ -42,7 +42,7 @@
 
 #define 	HTTP_ERR_RESPONSE_FORMAT 	"<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" \
 								"<html><head>\n" \
-								"<title>%u %s</title>\n" \
+								"<title>%lu %s</title>\n" \
 								"</head><body>\n" \
 								"<h1>%s</h1>\n" \
 								"<p>%s</p>\n" \