diff --git a/libguestfs.spec b/libguestfs.spec
index dec1bd5..ea56828 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -112,8 +112,10 @@ Requires:       perl(String::ShellQuote)
 Requires:       perl(Sys::Guestfs)
 Requires:       perl(Sys::Guestfs::Lib)
 Requires:       perl(Sys::Guestfs::Lib)
+%if %{with_hivex}
 Requires:       perl(Win::Hivex)
 Requires:       perl(Win::Hivex::Regedit)
+%endif
 %{perl_requires}
 Recommends:     guestfs-data
 
@@ -197,8 +199,10 @@ BuildRequires:  perl(Locale::TextDomain)
 BuildRequires:  perl(Pod::Usage)
 BuildRequires:  perl(String::ShellQuote)
 BuildRequires:  perl(Sys::Virt)
+%if %{with_hivex}
 BuildRequires:  perl(Win::Hivex)
 BuildRequires:  perl(Win::Hivex::Regedit)
+%endif
 %define _configure_perl --enable-perl
 #
 Provides:       libguestfs-perl = %{version}