diff --git a/tests/Makefile b/tests/Makefile
index 1679ee4..d1c265e 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -16,6 +16,8 @@
 LOCAL_CFLAGS += -I../crypto/include
 CRYPTO := ../crypto/library/
 
+LOCAL_CFLAGS+=-I../3rdparty/everest/include
+
 # Enable definition of various functions used throughout the testsuite
 # (gethostname, strdup, fileno...) even when compiling with -std=c99. Harmless
 # on non-POSIX platforms.
@@ -185,4 +187,3 @@
 		-o ./TESTS/mbedtls/$*
 
 generate-target-tests: $(EMBEDDED_TESTS)
-