--- a/src/doc/CMakeLists.txt
+++ b/src/doc/CMakeLists.txt
@@ -19,8 +19,7 @@ if (UNIX AND TXT2MAN AND PYTHONINTERP_FO
     message (STATUS "Unix man page documentation will be generated")
     set (cli_tools oiiotool iinfo maketx idiff igrep iconvert)
 
-    find_program (IV_FOUND iv)
-    if (IV_FOUND)
+    if (TARGET iv)
         list (APPEND cli_tools iv)
     endif()