diff --git a/pkgs/os-specific/linux/qemu-kvm/default.nix b/pkgs/os-specific/linux/qemu-kvm/default.nix
index 3b37273bdcb..14cedc0b5db 100644
--- a/pkgs/os-specific/linux/qemu-kvm/default.nix
+++ b/pkgs/os-specific/linux/qemu-kvm/default.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
       ncurses python glib libaio mesa texinfo perl
     ] ++ stdenv.lib.optionals spiceSupport [ spice_protocol spice ];
 
-  patchPhase = "patchShebangs ." + stdenv.lib.optionalString spiceSupport ''
+  patchPhase = "patchShebangs .;" + stdenv.lib.optionalString spiceSupport ''
        for i in configure spice-qemu-char.c ui/spice-input.c ui/spice-core.c ui/qemu-spice.h; do
          substituteInPlace $i --replace '#include <spice.h>' '#include <spice/spice.h>'
        done