diff --git a/meta-openembedded/meta-initramfs/recipes-devtools/grubby/grubby_git.bb b/meta-openembedded/meta-initramfs/recipes-devtools/grubby/grubby_git.bb
index 6d53f48..7248147 100644
--- a/meta-openembedded/meta-initramfs/recipes-devtools/grubby/grubby_git.bb
+++ b/meta-openembedded/meta-initramfs/recipes-devtools/grubby/grubby_git.bb
@@ -25,7 +25,7 @@
 
 inherit autotools-brokensep ptest
 
-EXTRA_OEMAKE = "-e 'CC=${CC}' 'LDFLAGS=${LDFLAGS}' LIBS='${LIBS}'"
+EXTRA_OEMAKE = "-e 'CC=${CC}' 'LDFLAGS=${LDFLAGS}' LIBS='${LIBS}' 'PREFIX'=${@bb.utils.contains('DISTRO_FEATURES','usrmerge','/usr','',d)}"
 
 LIBS_libc-musl = "-lexecinfo"
 LIBS ?= ""