diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
index 29944753..447e01da 100644
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -12,7 +12,7 @@ list(APPEND ZEPHYR_EXTRA_MODULES
 )
 
 # Find Zephyr. This also loads Zephyr's build system.
-find_package(Zephyr REQUIRED HINTS ../zephyr)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
 project(zmk)
 
 zephyr_linker_sources(RODATA include/linker/zmk-events.ld)