diff --git a/editorconfig-core-scm-1.rockspec b/editorconfig-core-scm-1.rockspec
index 5be64e0..105f11a 100644
--- a/editorconfig-core-scm-1.rockspec
+++ b/editorconfig-core-scm-1.rockspec
@@ -20,6 +20,7 @@ dependencies = {
 build = {
     type = "cmake",
     variables = {
+        CMAKE_BUILD_TYPE = "Release",
         CMAKE_INSTALL_PREFIX = "$(PREFIX)",
         ECL_LIBDIR = "$(LIBDIR)",
     },