diff --git a/Modules/GetPrerequisites.cmake b/Modules/GetPrerequisites.cmake
index 375349fda..19810404f 100644
--- a/Modules/GetPrerequisites.cmake
+++ b/Modules/GetPrerequisites.cmake
@@ -747,7 +747,11 @@ function(get_prerequisites target prerequisites_var exclude_system recurse exepa
     set(gp_regex_fallback "")
     set(gp_regex_cmp_count 1)
     # objdump generaates copious output so we create a grep filter to pre-filter results
-    find_program(gp_grep_cmd grep)
+    if(WIN32)
+      find_program(gp_grep_cmd findstr)
+    else()
+      find_program(gp_grep_cmd grep)
+    endif()
     if(gp_grep_cmd)
       set(gp_cmd_maybe_filter COMMAND ${gp_grep_cmd} "^[[:blank:]]*DLL Name: ")
     endif()