diff --git a/lib/SQL/Translator/Producer/PostgreSQL.pm b/lib/SQL/Translator/Producer/PostgreSQL.pm
index 455f745df..6d9697a9e 100644
--- a/lib/SQL/Translator/Producer/PostgreSQL.pm
+++ b/lib/SQL/Translator/Producer/PostgreSQL.pm
@@ -785,7 +785,7 @@ sub alter_field
     # ALTER TABLE users ALTER COLUMN column SET DEFAULT ThisIsUnescaped;
     if(ref $default_value eq "SCALAR" ) {
         $default_value = $$default_value;
-    } elsif( defined $default_value && $to_dt =~ /^(character|text)/xsmi ) {
+    } elsif( defined $default_value && $to_dt =~ /^(character|text|timestamp|date)/xsmi ) {
         $default_value = __PACKAGE__->_quote_string($default_value);
     }