diff --git a/meta-openembedded/meta-oe/recipes-crypto/monocypher/monocypher_4.0.2.bb b/meta-openembedded/meta-oe/recipes-crypto/monocypher/monocypher_4.0.2.bb
index 8996381..e6380d9 100644
--- a/meta-openembedded/meta-oe/recipes-crypto/monocypher/monocypher_4.0.2.bb
+++ b/meta-openembedded/meta-oe/recipes-crypto/monocypher/monocypher_4.0.2.bb
@@ -11,8 +11,8 @@
 
 S = "${WORKDIR}/git"
 
-CFLAGS+="-pedantic -Wall -Wextra -O3"
-EXTRA_OEMAKE = "'PREFIX=${prefix}' 'DESTDIR=${D}' 'CFLAGS=${CFLAGS}'"
+CFLAGS += "-pedantic -Wall -Wextra -O3"
+EXTRA_OEMAKE = "'PREFIX=${prefix}' 'DESTDIR=${D}' 'CFLAGS=${CFLAGS}' 'LIBDIR=${libdir}'"
 
 do_compile() {
     oe_runmake library