diff --git a/dev-scheme/getopt-long/getopt-long-1.21.ebuild b/dev-scheme/getopt-long/getopt-long-1.21.ebuild
index 637a8b7..141f7ef 100644
--- a/dev-scheme/getopt-long/getopt-long-1.21.ebuild
+++ b/dev-scheme/getopt-long/getopt-long-1.21.ebuild
@@ -11,9 +11,9 @@ KEYWORDS="~amd64 ~x86 ~arm64"
 
  
 DEPEND="dev-scheme/chicken
-        dev-scheme/srfi-1
-        dev-scheme/srfi-13
-        dev-scheme/srfi-14
+        dev-scheme/srfi_1
+        dev-scheme/srfi_13
+        dev-scheme/srfi_14
         dev-scheme/matchable"
 RDEPEND="${DEPEND}"
 BDEPEND="dev-vcs/git"