diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 4720008..06df85d 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -43,6 +43,10 @@
     include_directories(${CMAKE_CURRENT_SOURCE_DIR})
     add_executable(test_suite_${data_name} test_suite_${data_name}.c)
     target_link_libraries(test_suite_${data_name} ${libs})
+    target_include_directories(test_suite_${data_name}
+        PUBLIC ${CMAKE_SOURCE_DIR}/include/
+        PUBLIC ${CMAKE_SOURCE_DIR}/crypto/include/)
+
     if(${data_name} MATCHES ${SKIP_TEST_SUITES_REGEX})
         message(STATUS "The test suite ${data_name} will not be executed.")
     else()
diff --git a/tests/Makefile b/tests/Makefile
index 1512fa7..50a0549 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -6,7 +6,8 @@
 WARNING_CFLAGS ?= -Wall -W -Wdeclaration-after-statement -Wno-unused-function -Wno-unused-value
 LDFLAGS ?=
 
-LOCAL_CFLAGS = $(WARNING_CFLAGS) -I../include -I../library -D_FILE_OFFSET_BITS=64
+CRYPTO_INCLUDES ?= -I../include
+LOCAL_CFLAGS = $(WARNING_CFLAGS) $(CRYPTO_INCLUDES) -I../library -D_FILE_OFFSET_BITS=64
 LOCAL_LDFLAGS = -L../library			\
 		-lmbedtls$(SHARED_SUFFIX)	\
 		-lmbedx509$(SHARED_SUFFIX)	\