diff --git a/package/zynaddsubfx/zynaddsubfx.mk b/package/zynaddsubfx/zynaddsubfx.mk
index b2eb1921fa..db0459ce62 100644
--- a/package/zynaddsubfx/zynaddsubfx.mk
+++ b/package/zynaddsubfx/zynaddsubfx.mk
@@ -14,7 +14,7 @@ ZYNADDSUBFX_LICENSE_FILES = COPYING
 ZYNADDSUBFX_CONF_OPTS = -DCompileTests=OFF -DPluginEnable=OFF
 
 ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
-ZYNADDSUBFX_CONF_OPTS += -DCMAKE_EXE_LINKER_FLAGS=-latomic
+ZYNADDSUBFX_CONF_OPTS += -DOS_LIBRARIES=-latomic
 endif
 
 ZYNADDSUBFX_DEPENDENCIES = \