diff --git a/src/modules/cpuusage/cpuusage.c b/src/modules/cpuusage/cpuusage.c
index 02246833b..14bbf7afc 100644
--- a/src/modules/cpuusage/cpuusage.c
+++ b/src/modules/cpuusage/cpuusage.c
@@ -22,7 +22,7 @@ void ffPrintCPUUsage(FFCPUUsageOptions* options)
     double maxValue = -999, minValue = 999, sumValue = 0;
     uint32_t maxIndex = 999, minIndex = 999;
 
-    uint32_t index = 0;
+    uint32_t index = 0, valueCount = 0;
     FF_LIST_FOR_EACH(double, percent, percentages)
     {
         if (*percent == *percent)
@@ -38,10 +38,11 @@ void ffPrintCPUUsage(FFCPUUsageOptions* options)
                 minValue = *percent;
                 minIndex = index;
             }
+            ++valueCount;
         }
         ++index;
     }
-    double avgValue = sumValue / (double) percentages.length;
+    double avgValue = sumValue / (double) valueCount;
 
     if(options->moduleArgs.outputFormat.length == 0)
     {