diff --git a/dbdimp.c b/dbdimp.c
index 32cd329..e71897b 100644
--- a/dbdimp.c
+++ b/dbdimp.c
@@ -55,10 +55,9 @@ _sqlite_tracef(char *file, int line, SV *h, imp_xxh_t *imp_xxh, int level, const
 {
     dTHX;
 
-    va_list ap;
     if ( DBIc_TRACE_LEVEL(imp_xxh) >= level ) {
-        char format[8192];
-        sqlite3_snprintf(8191, format, "sqlite trace: %s at %s line %d\n", fmt, file, line);
+        va_list ap;
+        const char* format = form("sqlite trace: %s at %s line %d\n", fmt, file, line);
         va_start(ap, fmt);
         PerlIO_vprintf(DBIc_LOGPIO(imp_xxh), format, ap);
         va_end(ap);
@@ -70,10 +69,9 @@ _sqlite_tracef_noline(SV *h, imp_xxh_t *imp_xxh, int level, const char *fmt, ...
 {
     dTHX;
 
-    va_list ap;
     if ( DBIc_TRACE_LEVEL(imp_xxh) >= level ) {
-        char format[8192];
-        sqlite3_snprintf(8191, format, "sqlite trace: %s\n", fmt);
+        va_list ap;
+        const char* format = form("sqlite trace: %s\n", fmt);
         va_start(ap, fmt);
         PerlIO_vprintf(DBIc_LOGPIO(imp_xxh), format, ap);
         va_end(ap);
@@ -480,8 +478,7 @@ sqlite_bind_ph (SV *sth, imp_sth_t *imp_sth,
         if(paramstring[len] == 0 && strlen(paramstring) == len) {
             pos = sqlite3_bind_parameter_index(imp_sth->stmt, paramstring);
             if (pos==0) {
-                char errmsg[8192];
-                sqlite3_snprintf(8191, errmsg, "Unknown named parameter: %s", paramstring);
+                const char* errmsg = form("Unknown named parameter: %s", paramstring);
                 sqlite_error(sth, (imp_xxh_t*)imp_sth, -2, errmsg);
                 return FALSE; /* -> &sv_no in SQLite.xsi */
             }
@@ -972,8 +969,7 @@ sqlite3_db_create_function(pTHX_ SV *dbh, const char *name, int argc, SV *func )
                                   NULL, NULL );
     if ( retval != SQLITE_OK )
     {
-        char errmsg[8192];
-        sqlite3_snprintf(8191, errmsg, "sqlite_create_function failed with error %s", sqlite3_errmsg(imp_dbh->db));
+        const char* errmsg = form("sqlite_create_function failed with error %s", sqlite3_errmsg(imp_dbh->db));
         sqlite_error(dbh, (imp_xxh_t*)imp_dbh, retval, errmsg);
     }
 }
@@ -987,8 +983,7 @@ sqlite3_db_enable_load_extension(pTHX_ SV *dbh, int onoff )
     retval = sqlite3_enable_load_extension( imp_dbh->db, onoff );
     if ( retval != SQLITE_OK )
     {
-        char errmsg[8192];
-        sqlite3_snprintf(8191, errmsg, "sqlite_enable_load_extension failed with error %s", sqlite3_errmsg(imp_dbh->db));
+        const char* errmsg = form("sqlite_enable_load_extension failed with error %s", sqlite3_errmsg(imp_dbh->db));
         sqlite_error(dbh, (imp_xxh_t*)imp_dbh, retval, errmsg);
     }
 }
@@ -1207,8 +1202,7 @@ sqlite3_db_create_aggregate(pTHX_ SV *dbh, const char *name, int argc, SV *aggr_
 
     if ( retval != SQLITE_OK )
     {
-        char errmsg[8192];
-        sqlite3_snprintf(8191, errmsg, "sqlite_create_aggregate failed with error %s", sqlite3_errmsg(imp_dbh->db));
+        const char* errmsg = form("sqlite_create_aggregate failed with error %s", sqlite3_errmsg(imp_dbh->db));
         sqlite_error(dbh, (imp_xxh_t*)imp_dbh, retval, errmsg);
     }
 }
@@ -1309,8 +1303,7 @@ sqlite3_db_create_collation(pTHX_ SV *dbh, const char *name, SV *func )
 
     if ( rv != SQLITE_OK )
     {
-        char errmsg[8192];
-        sqlite3_snprintf(8191, errmsg, "sqlite_create_collation failed with error %s", sqlite3_errmsg(imp_dbh->db));
+        const char* errmsg = form("sqlite_create_collation failed with error %s", sqlite3_errmsg(imp_dbh->db));
     }
 }