diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index bcf462f..3b923a3 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -9,9 +9,9 @@
     set(MBEDTLS_DIR ${CMAKE_SOURCE_DIR})
 endif()
 
-find_package(Perl)
-if(NOT PERL_FOUND)
-    message(FATAL_ERROR "Cannot build test suites without Perl")
+find_package(PythonInterp)
+if(NOT PYTHONINTERP_FOUND)
+    message(FATAL_ERROR "Cannot build test suites without Python 2 or 3")
 endif()
 
 # Enable definition of various functions used throughout the testsuite