diff --git a/gnu/packages/antivirus.scm b/gnu/packages/antivirus.scm
index 4a5f995e42..cda3fc942b 100644
--- a/gnu/packages/antivirus.scm
+++ b/gnu/packages/antivirus.scm
@@ -21,6 +21,7 @@
 (define-module (gnu packages antivirus)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix build-system gnu)
+  #:use-module (guix gexp)
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix utils)
@@ -59,8 +60,7 @@ (define-public clamav
                             '("win32"                  ; unnecessary
                               "libclamav/c++/llvm"     ; use system llvm
                               "libclamav/tomsfastmath" ; use system tomsfastmath
-                              "libclamunrar"))         ; non-free license
-                  #t))
+                              "libclamunrar"))))       ; non-free license
               (patches
                (search-patches "clamav-system-tomsfastmath.patch"
                                "clamav-config-llvm-libs.patch"))))
@@ -72,70 +72,70 @@ (define-public clamav
            libtool
            pkg-config))
     (inputs
-     `(("bzip2" ,bzip2)
-       ("libcurl" ,curl)
-       ("libjson" ,json-c)
-       ("libltdl" ,libltdl)
-       ("libmspack" ,libmspack)
-       ("llvm" ,llvm-3.6)               ; requires <3.7, for JIT/verifier
-       ("ncurses" ,ncurses)
-       ("openssl" ,libressl)
-       ("pcre2" ,pcre2)
-       ("sasl" ,cyrus-sasl)             ; for linking curl with libtool
-       ("tomsfastmath" ,tomsfastmath)
-       ("xml" ,libxml2)
-       ("zlib" ,zlib)))
+      (list bzip2
+            curl
+            json-c
+            libltdl
+            libmspack
+            llvm-3.6               ; requires <3.7, for JIT/verifier
+            ncurses
+            libressl
+            pcre2
+            cyrus-sasl             ; for linking curl with libtool
+            tomsfastmath
+            libxml2
+            zlib))
     (arguments
-     `(#:configure-flags
-       (let-syntax ((with (syntax-rules ()
-                            ((_ name)
+      (list #:configure-flags
+            #~(let-syntax ((with (syntax-rules ()
+                            ((_ name use)
                              (string-append "--with-" name "="
-                                            (assoc-ref %build-inputs name))))))
-         (list "--disable-unrar"
-               "--enable-llvm"
-               "--with-system-llvm"
-               "--with-system-libmspack"
-               "--without-included-ltdl"
-               (with "xml")
-               (with "openssl")
-               (with "libjson")
-               (with "pcre2")
-               (with "zlib")
-               (with "libcurl")
-               ;; For sanity, specifying --enable-* flags turns
-               ;; "support unavailable" warnings into errors.
-               "--enable-bzip2"
-               "--enable-check"
-               "--sysconfdir=/etc/clamav"
-               ;; Default database directory needs to be writeable
-               "--with-dbdir=/var/db/clamav"))
-       ;; install sample .conf files to %output/etc rather than /etc/clamav
-       #:make-flags (list (string-append "sysconfdir=" %output "/etc"))
-       #:phases (modify-phases %standard-phases
-                  ;; Regenerate configure script.  Without this we don't get
-                  ;; the correct value for LLVM linker variables.
-                  (add-after 'unpack 'reconf
-                    (lambda _ (invoke "autoreconf" "-vfi")))
-                  (add-before 'configure 'patch-llvm-config
-                    (lambda _
-                      (substitute* '("libclamav/c++/detect.cpp"
-                                     "libclamav/c++/ClamBCRTChecks.cpp"
-                                     "libclamav/c++/bytecode2llvm.cpp")
-                        (("llvm/Config/config.h") "llvm/Config/llvm-config.h"))
-                      ;; `llvm-config --libfiles` inappropriately lists lib*.a
-                      ;; libraries, rather than the lib*.so's that our llvm
-                      ;; contains.  They're used only for listing extra build
-                      ;; dependencies, so ignore them until that's fixed.
-                      (substitute* "libclamav/c++/Makefile.in"
-                        (("@LLVMCONFIG_LIBFILES@") ""))
-                      #t))
-                  (add-before 'check 'skip-clamd-tests
-                    ;; XXX: The check?_clamd tests fail inside the build
-                    ;; chroot, but pass outside.
-                    (lambda _
-                      (substitute* "unit_tests/Makefile"
-                        (("check2_clamd.sh.*check4_clamd.sh") ""))
-                      #t)))))
+                                            (assoc-ref %build-inputs use))))))
+              (list "--disable-unrar"
+                    "--enable-llvm"
+                    "--with-system-llvm"
+                    "--with-system-libmspack"
+                    "--without-included-ltdl"
+                    (with "xml" "libxml2")
+                    (with "openssl" "libressl")
+                    (with "libjson" "json-c")
+                    (with "pcre2" "pcre2")
+                    (with "zlib" "zlib")
+                    (with "libcurl" "curl")
+                    ;; For sanity, specifying --enable-* flags turns
+                    ;; "support unavailable" warnings into errors.
+                    "--enable-bzip2"
+                    "--enable-check"
+                    "--sysconfdir=/etc/clamav"
+                    ;; Default database directory needs to be writeable
+                    "--with-dbdir=/var/db/clamav"))
+            ;; install sample .conf files to %output/etc rather than /etc/clamav
+            #:make-flags
+            #~(list (string-append "sysconfdir=" %output "/etc"))
+            #:phases
+            #~(modify-phases %standard-phases
+                ;; Regenerate configure script.  Without this we don't get
+                ;; the correct value for LLVM linker variables.
+                (add-after 'unpack 'reconf
+                  (lambda _ (invoke "autoreconf" "-vfi")))
+                (add-before 'configure 'patch-llvm-config
+                  (lambda _
+                    (substitute* '("libclamav/c++/detect.cpp"
+                                   "libclamav/c++/ClamBCRTChecks.cpp"
+                                   "libclamav/c++/bytecode2llvm.cpp")
+                      (("llvm/Config/config.h") "llvm/Config/llvm-config.h"))
+                    ;; `llvm-config --libfiles` inappropriately lists lib*.a
+                    ;; libraries, rather than the lib*.so's that our llvm
+                    ;; contains.  They're used only for listing extra build
+                    ;; dependencies, so ignore them until that's fixed.
+                    (substitute* "libclamav/c++/Makefile.in"
+                      (("@LLVMCONFIG_LIBFILES@") ""))))
+                (add-before 'check 'skip-clamd-tests
+                  ;; XXX: The check?_clamd tests fail inside the build
+                  ;; chroot, but pass outside.
+                  (lambda _
+                    (substitute* "unit_tests/Makefile"
+                      (("check2_clamd.sh.*check4_clamd.sh") "")))))))
     (home-page "https://www.clamav.net")
     (synopsis "Antivirus engine")
     (description
