diff --git a/fix-release-build.patch b/fix-release-build.patch
new file mode 100644
index 0000000..5d6a121
--- /dev/null
+++ b/fix-release-build.patch
@@ -0,0 +1,52 @@
+From 99a9be59b77fc9e6513a2953c222b44b0dbbe91e Mon Sep 17 00:00:00 2001
+From: pedro martelletto <pedro@yubico.com>
+From: Karol Babioch <kbabioch@suse.de>
+Date: Mon, 1 Oct 2018 15:29:52 +0200
+Subject: [PATCH] only run regress tests on debug builds
+
+do not attempt to build and run regression tests if CMAKE_BUILD_TYPE
+isn't set to "Debug", as NDEBUG might be defined. pointed out by
+Karol Babioch in github issue #8.
+---
+ CMakeLists.txt            | 15 +++++++++------
+ 5 files changed, 13 insertions(+), 10 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index fc7dd5d..4c39ff3 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -24,9 +24,9 @@ add_definitions(-D_FIDO_MINOR=${FIDO_MINOR})
+ add_definitions(-D_FIDO_PATCH=${FIDO_PATCH})
+ 
+ if(MSVC)
+-	if ((NOT CBOR_INCLUDE_DIRS) OR (NOT CBOR_LIBRARY_DIRS) OR
+-	    (NOT CRYPTO_INCLUDE_DIRS) OR (NOT CRYPTO_LIBRARY_DIRS) OR
+-	    (NOT HIDAPI_INCLUDE_DIRS) OR (NOT HIDAPI_LIBRARY_DIRS))
++	if((NOT CBOR_INCLUDE_DIRS) OR (NOT CBOR_LIBRARY_DIRS) OR
++	   (NOT CRYPTO_INCLUDE_DIRS) OR (NOT CRYPTO_LIBRARY_DIRS) OR
++	   (NOT HIDAPI_INCLUDE_DIRS) OR (NOT HIDAPI_LIBRARY_DIRS))
+ 		message(FATAL_ERROR "please provide definitions for "
+ 		    "{CBOR,CRYPTO,HIDAPI}_{INCLUDE,LIBRARY}_DIRS when building "
+ 		    "under msvc")
+@@ -236,6 +236,7 @@ message(STATUS "CMAKE_C_COMPILER: ${CMAKE_C_COMPILER}")
+ message(STATUS "CMAKE_C_COMPILER_ID: ${CMAKE_C_COMPILER_ID}")
+ message(STATUS "CMAKE_INSTALL_PREFIX: ${CMAKE_INSTALL_PREFIX}")
+ message(STATUS "CMAKE_INSTALL_LIBDIR: ${CMAKE_INSTALL_LIBDIR}")
++message(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
+ message(STATUS "UDEV_RULES_DIR: ${UDEV_RULES_DIR}")
+ message(STATUS "CBOR_INCLUDE_DIRS: ${CBOR_INCLUDE_DIRS}")
+ message(STATUS "CBOR_LIBRARY_DIRS: ${CBOR_LIBRARY_DIRS}")
+@@ -252,8 +253,10 @@ message(STATUS "FUZZ: ${FUZZ}")
+ subdirs(src)
+ subdirs(examples)
+ if(NOT WIN32)
+-subdirs(regress)
+-subdirs(tools)
+-subdirs(udev)
++	if(CMAKE_BUILD_TYPE STREQUAL "Debug")
++		subdirs(regress)
++	endif()
++	subdirs(tools)
++	subdirs(udev)
+ endif()
+ subdirs(man)