diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6cc81f2..86c6962 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -136,7 +136,7 @@ set(META_APP_URL "https://github.com/${META_APP_AUTHOR}/${META_PROJECT_NAME}")
 set(META_APP_DESCRIPTION "Useful C++ classes and routines such as argument parser, IO and conversion utilities")
 set(META_VERSION_MAJOR 4)
 set(META_VERSION_MINOR 14)
-set(META_VERSION_PATCH 1)
+set(META_VERSION_PATCH 2)
 
 # find required 3rd party libraries
 include(3rdParty)
diff --git a/conversion/stringconversion.cpp b/conversion/stringconversion.cpp
index 9a53cb1..36af35d 100644
--- a/conversion/stringconversion.cpp
+++ b/conversion/stringconversion.cpp
@@ -44,7 +44,7 @@ struct Factor {
         : factor(factor){};
     size_t operator()(size_t value)
     {
-        return value * factor;
+        return static_cast<size_t>(value * factor);
     }
     float factor;
 };
@@ -90,11 +90,11 @@ public:
             if (bytesWritten == static_cast<size_t>(-1)) {
                 if (errno == EINVAL) {
                     // ignore incomplete multibyte sequence in the input
-                    bytesWritten = currentOutputOffset - outputBuffer;
+                    bytesWritten = static_cast<size_t>(currentOutputOffset - outputBuffer);
                     break;
                 } else if (errno == E2BIG) {
                     // output buffer has no more room for next converted character
-                    bytesWritten = currentOutputOffset - outputBuffer;
+                    bytesWritten = static_cast<size_t>(currentOutputOffset - outputBuffer);
                     outputBytesLeft = (outputSize += m_outputSizeHint(inputBytesLeft)) - bytesWritten;
                     outputBuffer = reinterpret_cast<char *>(realloc(outputBuffer, outputSize));
                 } else /*if(errno == EILSEQ)*/ {