diff --git a/src/AudioHost.cpp b/src/AudioHost.cpp
index 3cdb7cc..845302a 100644
--- a/src/AudioHost.cpp
+++ b/src/AudioHost.cpp
@@ -2119,7 +2119,11 @@ public:
 
         if (this->audioDriver != nullptr)
         {
-            result.cpuUsage_ = audioDriver->CpuUse();
+            result.cpuUsage_ = audioDriver->CpuUse();            
+			if (!std::isfinite(result.cpuUsage_))
+            {
+                result.cpuUsage_ = 0.0f;
+            }
         }
         GetCpuFrequency(&result.cpuFreqMin_, &result.cpuFreqMax_);
         result.hasCpuGovernor_ = HasCpuGovernor();
diff --git a/src/CpuUse.hpp b/src/CpuUse.hpp
index e2dedac..d5b96d2 100644
--- a/src/CpuUse.hpp
+++ b/src/CpuUse.hpp
@@ -140,14 +140,19 @@ namespace pipedal
                 overheadTime = readTime;
             }
 
-            SampleT totalTime = writeTime+ readTime + processingTime;
-            SampleT maxTime = waitTime+processingTime;
-            
+            SampleT totalTime = writeTime + readTime + processingTime;
+            SampleT maxTime = waitTime + processingTime;
 
-            float result = 100.0f*(processingTime)/(maxTime);
-            float overhead = 100.0F*(overheadTime*2)/totalTime;
+            float result = 0.0f;
+            float overhead = 0.0f;
+            if (maxTime != 0 && totalTime != 0)
             {
-                std::lock_guard lock { sync};
+                result = 100.0f * (processingTime) / (maxTime);
+                overhead = 100.0f * (overheadTime * 2) / totalTime;
+            }
+
+            {
+                std::lock_guard lock{sync};
                 currentCpuUse = result;
                 currentOverhead = overhead;
             }