diff --git a/AffinityPanel.c b/AffinityPanel.c
index d69ce003..d0a9e6dc 100644
--- a/AffinityPanel.c
+++ b/AffinityPanel.c
@@ -368,9 +368,9 @@ Panel* AffinityPanel_new(ProcessList* pl, Affinity* affinity, int* width) {
    for (int i = 0; i < pl->cpuCount; i++) {
       char number[16];
       xSnprintf(number, 9, "CPU %d", Settings_cpuId(pl->settings, i));
-      unsigned width = 4 + strlen(number);
-      if (width > this->width)
-         this->width = width;
+      unsigned cpu_width = 4 + strlen(number);
+      if (cpu_width > this->width)
+         this->width = cpu_width;
 
       bool isSet = false;
       if (curCpu < affinity->used && affinity->cpus[curCpu] == i) {