diff --git a/src/defs.h b/src/defs.h
index aa8dd348..4adfeb88 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -213,7 +213,7 @@ struct session_data {
    int journal_envelope_length, journal_bottom_length;
 #ifdef NEED_MYSQL
    MYSQL mysql;
-   unsigned int errno;
+   unsigned int mysql_errno;
 #endif
 #ifdef NEED_PSQL
    PGconn *psql;
diff --git a/src/misc.c b/src/misc.c
index 426e1526..6dbfad7a 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -511,7 +511,7 @@ void init_session_data(struct session_data *sdata, struct __config *cfg){
    sdata->sent = sdata->delivered = sdata->retained = sdata->now;
 
 #ifdef NEED_MYSQL
-   sdata->errno = 0;
+   sdata->mysql_errno = 0;
 #endif
 
 #ifdef HAVE_TWEAK_SENT_TIME
diff --git a/src/mysql.c b/src/mysql.c
index d1aa0d79..21aae40f 100644
--- a/src/mysql.c
+++ b/src/mysql.c
@@ -57,7 +57,7 @@ int p_exec_query(struct session_data *sdata, MYSQL_STMT *stmt, struct __data *da
    unsigned long length[MAX_SQL_VARS];
    int i, ret=ERR;
 
-   sdata->errno = 0;
+   sdata->mysql_errno = 0;
    memset(bind, 0, sizeof(bind));
 
    for(i=0; i<MAX_SQL_VARS; i++){
@@ -106,14 +106,14 @@ int p_exec_query(struct session_data *sdata, MYSQL_STMT *stmt, struct __data *da
    }
 
    if(mysql_stmt_bind_param(stmt, bind)){
-      sdata->errno = mysql_stmt_errno(stmt);
-      syslog(LOG_PRIORITY, "%s: mysql_stmt_bind_param() error: %s (errno: %d)", sdata->ttmpfile, mysql_stmt_error(stmt), sdata->errno);
+      sdata->mysql_errno = mysql_stmt_errno(stmt);
+      syslog(LOG_PRIORITY, "%s: mysql_stmt_bind_param() error: %s (errno: %d)", sdata->ttmpfile, mysql_stmt_error(stmt), sdata->mysql_errno);
       goto CLOSE;
    }
 
    if(mysql_stmt_execute(stmt)){
-      sdata->errno = mysql_stmt_errno(stmt);
-      syslog(LOG_PRIORITY, "%s: mysql_stmt_execute error: *%s* (errno: %d)", sdata->ttmpfile, mysql_error(&(sdata->mysql)), sdata->errno);
+      sdata->mysql_errno = mysql_stmt_errno(stmt);
+      syslog(LOG_PRIORITY, "%s: mysql_stmt_execute error: *%s* (errno: %d)", sdata->ttmpfile, mysql_error(&(sdata->mysql)), sdata->mysql_errno);
       goto CLOSE;
    }