diff --git a/precomp.cpp b/precomp.cpp
index 840703d..cb65943 100644
--- a/precomp.cpp
+++ b/precomp.cpp
@@ -2284,12 +2284,12 @@ int def(FILE *source, FILE *dest, int level, int windowbits, int memlevel) {
   return Z_OK;
 }
 
-// Brute mode detects everything that intense mode detects, so it makes no sense
-// having both active. But since both of them can have a level limit, two helper
-// functions make things easier to handle.
+// Brute mode detects a bit less than intense mode to avoid false positives
+// and slowdowns, so both can be active. Also, both of them can have a level
+// limit, so two helper functions make things easier to handle.
 
 bool intense_mode_is_active() {
-  if ((!intense_mode) || (brute_mode_is_active())) return false;
+  if (!intense_mode) return false;
   if ((intense_mode_depth_limit == -1) || (recursion_depth <= intense_mode_depth_limit)) return true;
   
   return false;