diff --git a/bsd-user/main.c b/bsd-user/main.c
index 5f790b255a5ddeee295936df4fc32194e451d3c2..6018a419ed5819464c64aa791838301962eaee4b 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -866,7 +866,7 @@ int main(int argc, char **argv)
         int mask;
         const CPULogItem *item;
 
-        mask = cpu_str_to_log_mask(r);
+        mask = cpu_str_to_log_mask(log_mask);
         if (!mask) {
             printf("Log items (comma separated):\n");
             for (item = cpu_log_items; item->mask != 0; item++) {
diff --git a/darwin-user/main.c b/darwin-user/main.c
index a6dc859219c832ded5648c860bd7c56eebd47cb6..35196a12ccf36d999191f060fba40b7e89ac9129 100644
--- a/darwin-user/main.c
+++ b/darwin-user/main.c
@@ -819,7 +819,7 @@ int main(int argc, char **argv)
         int mask;
         CPULogItem *item;
 
-        mask = cpu_str_to_log_mask(r);
+        mask = cpu_str_to_log_mask(log_mask);
         if (!mask) {
             printf("Log items (comma separated):\n");
             for (item = cpu_log_items; item->mask != 0; item++) {
diff --git a/linux-user/main.c b/linux-user/main.c
index db5577bc50e0e068e395c037b12f07ca194929ae..289054b0b7c309ab8b176883f5fc3556d233f2af 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -3030,7 +3030,7 @@ int main(int argc, char **argv, char **envp)
         int mask;
         const CPULogItem *item;
 
-        mask = cpu_str_to_log_mask(r);
+        mask = cpu_str_to_log_mask(log_mask);
         if (!mask) {
             printf("Log items (comma separated):\n");
             for (item = cpu_log_items; item->mask != 0; item++) {