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-rw-r--r--guix/build-system/perl.scm4
1 files changed, 2 insertions, 2 deletions
diff --git a/guix/build-system/perl.scm b/guix/build-system/perl.scm
index 1ff9fd2674..6661689efb 100644
--- a/guix/build-system/perl.scm
+++ b/guix/build-system/perl.scm
@@ -62,8 +62,8 @@ provides a `Makefile.PL' file as its build system."
`(begin
(use-modules ,@modules)
(perl-build #:name ,name
- #:source ,(if (and source (derivation-path? source))
- (derivation-path->output-path source)
+ #:source ,(if (derivation? source)
+ (derivation->output-path source)
source)
#:search-paths ',(map search-path-specification->sexp
(append perl-search-paths