diff --git a/Deflate.asd b/deflate.asd
similarity index 98%
rename from Deflate.asd
rename to deflate.asd
index 73493a8..eff63d3 100644
--- a/Deflate.asd
+++ b/deflate.asd
@@ -37,7 +37,7 @@
 ;;;; ASDF system definition facility.
 ;;;; 
 
-(asdf:defsystem "Deflate"
+(asdf:defsystem "deflate"
     :description "Deflate Decompression Library"
     :author "Pierre R. Mai <pmai@pmsf.de>"
     :components ((:file "deflate")))