diff --git a/contrib/vhost-user-gpu/meson.build b/contrib/vhost-user-gpu/meson.build
index 37ecca13ca..c487ca72c1 100644
--- a/contrib/vhost-user-gpu/meson.build
+++ b/contrib/vhost-user-gpu/meson.build
@@ -9,6 +9,6 @@ if 'CONFIG_TOOLS' in config_host and 'CONFIG_VIRGL' in config_host \
 
   configure_file(input: '50-qemu-gpu.json.in',
                  output: '50-qemu-gpu.json',
-                 configuration: { 'libexecdir' : get_option('libexecdir') },
+                 configuration: { 'libexecdir' : get_option('prefix') / get_option('libexecdir') },
                  install_dir: qemu_datadir / 'vhost-user')
 endif
diff --git a/tools/virtiofsd/meson.build b/tools/virtiofsd/meson.build
index e1a4dc98d9..17edecf55c 100644
--- a/tools/virtiofsd/meson.build
+++ b/tools/virtiofsd/meson.build
@@ -15,5 +15,5 @@ executable('virtiofsd', files(
 
 configure_file(input: '50-qemu-virtiofsd.json.in',
                output: '50-qemu-virtiofsd.json',
-               configuration: { 'libexecdir' : get_option('libexecdir') },
+               configuration: { 'libexecdir' : get_option('prefix') / get_option('libexecdir') },
                install_dir: qemu_datadir / 'vhost-user')