diff --git a/src/Core/SettingsFields.cpp b/src/Core/SettingsFields.cpp
index a27013ed6cf..ccf6162ab8e 100644
--- a/src/Core/SettingsFields.cpp
+++ b/src/Core/SettingsFields.cpp
@@ -186,7 +186,7 @@ namespace
         if (d != 0.0 && !std::isnormal(d))
             throw Exception(
                 ErrorCodes::CANNOT_PARSE_NUMBER, "A setting's value in seconds must be a normal floating point number or zero. Got {}", d);
-        return static_cast<Poco::Timespan::TimeDiff>(d *= 1000000);
+        return static_cast<Poco::Timespan::TimeDiff>(d * 1000000);
     }
 
 }