diff --git a/kbabel/ConfigureChecks.cmake b/kbabel/ConfigureChecks.cmake
index e985b2dc..8957a96f 100644
--- a/kbabel/ConfigureChecks.cmake
+++ b/kbabel/ConfigureChecks.cmake
@@ -9,7 +9,7 @@
 #
 #################################################
 
-find_program( LEX_EXECUTABLE "lex" )
+find_program( LEX_EXECUTABLE NAMES "flex" "lex" )
 if( NOT LEX_EXECUTABLE )
   tde_message_fatal( "lex is required, but was not found on your system" )
 endif( )