diff --git a/core/include/config_pkg.sv b/core/include/config_pkg.sv
index 7e82dadaa..30e071fd5 100644
--- a/core/include/config_pkg.sv
+++ b/core/include/config_pkg.sv
@@ -391,7 +391,7 @@ package config_pkg;
   function automatic logic is_inside_execute_regions(cva6_cfg_t Cfg, logic [63:0] address);
     // if we don't specify any region we assume everything is accessible
     logic [NrMaxRules-1:0] pass;
-    if (Cfg.NrExecuteRegionRules == 0) begin
+    if (Cfg.NrExecuteRegionRules != 0) begin
       pass = '0;
       for (int unsigned k = 0; k < Cfg.NrExecuteRegionRules; k++) begin
         pass[k] = range_check(Cfg.ExecuteRegionAddrBase[k], Cfg.ExecuteRegionLength[k], address);