diff --git a/src/os/src/detail/osTime.c b/src/os/src/detail/osTime.c
index 85670e5d412c5b3ee76805431940fe573ebfe2d2..ca5ae77fd85c4fe97be48235ce56018e4ccae3f0 100644
--- a/src/os/src/detail/osTime.c
+++ b/src/os/src/detail/osTime.c
@@ -411,8 +411,10 @@ int64_t convertTimePrecision(int64_t time, int32_t fromPrecision, int32_t toPrec
           return time;
       }
     } //end from nano
-    default:
+    default: {
       assert(0);
+      return time;  // only to pass windows compilation
+    }
   } //end switch fromPrecision
 }