diff --git a/autotests/CMakeLists.txt b/autotests/CMakeLists.txt
--- a/autotests/CMakeLists.txt
+++ b/autotests/CMakeLists.txt
@@ -77,9 +77,7 @@
   file(GLOB_RECURSE compatFiles data/Compat-libical3/*.ics)
 endif()
 
-if(WIN32)
-  find_program(PERL_EXECUTABLE perl)
-endif()
+find_program(PERL_EXECUTABLE perl)
 
 macro(kcalcore_run_single_test _prefix _f _test _testarg)
   get_filename_component(_fn ${_f} NAME)
@@ -89,10 +87,7 @@
   get_filename_component(_outputPath ${_outFile} PATH)
   file(MAKE_DIRECTORY ${_outputPath})
 
-  set(_runner ${CMAKE_CURRENT_SOURCE_DIR}/runsingletestcase.pl)
-  if(WIN32)
-    set(_runner ${PERL_EXECUTABLE} ${_runner})
-  endif()
+  set(_runner ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/runsingletestcase.pl)
   add_test(NAME ${_prefix}-${_fn} COMMAND ${_runner} $<TARGET_FILE:${_test}> ${_testarg} ${_f} ${_outFile})
 endmacro()