diff --git a/package/libzenoh-pico/Config.in b/package/libzenoh-pico/Config.in
index 5f7e91c9f6..9dbb260c52 100644
--- a/package/libzenoh-pico/Config.in
+++ b/package/libzenoh-pico/Config.in
@@ -1,5 +1,8 @@
 config BR2_PACKAGE_LIBZENOH_PICO
 	bool "libzenoh-pico"
+	# upstream hardcodes using asm("nop"), which is bogus and
+	# doesn't work on or1k
+	depends on !BR2_or1k
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	help
 	  zenoh-pico is the Eclipse zenoh implementation that targets
@@ -11,4 +14,5 @@ config BR2_PACKAGE_LIBZENOH_PICO
 	  https://github.com/eclipse-zenoh/zenoh-pico
 
 comment "libzenoh-pico needs a toolchain w/ threads"
+	depends on !BR2_or1k
 	depends on !BR2_TOOLCHAIN_HAS_THREADS