diff --git a/package/assimp/assimp.mk b/package/assimp/assimp.mk
index cda02dda59..08893fff00 100644
--- a/package/assimp/assimp.mk
+++ b/package/assimp/assimp.mk
@@ -16,6 +16,7 @@ ifeq ($(BR2_m68k),y)
 ASSIMP_CXXFLAGS += -mxgot
 endif
 
-ASSIMP_CONF_OPTS += -DASSIMP_BUILD_TESTS=OFF -DCMAKE_CXX_FLAGS="$(TARGET_CXXFLAGS) $(ASSIMP_CXXFLAGS)"
+ASSIMP_CONF_OPTS += -DASSIMP_BUILD_TESTS=OFF \
+	-DCMAKE_CXX_FLAGS="$(TARGET_CXXFLAGS) $(ASSIMP_CXXFLAGS)"
 
 $(eval $(cmake-package))