diff --git a/icons/firebird/firebird-original.old.svg b/icons/firebird/firebird-original.old.svg
new file mode 100644
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diff --git a/icons/firebird/firebird-original.svg b/icons/firebird/firebird-original.svg
index f4b604d3..b30b03f0 100644
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diff --git a/icons/firebird/firebird-plain.old.svg b/icons/firebird/firebird-plain.old.svg
new file mode 100644
index 00000000..fea4ec69
--- /dev/null
+++ b/icons/firebird/firebird-plain.old.svg
@@ -0,0 +1,12 @@
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diff --git a/icons/firebird/firebird-plain.svg b/icons/firebird/firebird-plain.svg
index fea4ec69..01bdc791 100644
--- a/icons/firebird/firebird-plain.svg
+++ b/icons/firebird/firebird-plain.svg
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