diff --git a/src/app/main.cpp b/src/app/main.cpp
index 31e744732..eab0156ee 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -94,6 +94,7 @@ void showSplashScreen();
 
 #ifdef Q_OS_UNIX
 void adjustFileDescriptorLimit();
+void adjustLocale();
 #endif
 
 // Main
@@ -104,6 +105,7 @@ int main(int argc, char *argv[])
 #endif
 
 #ifdef Q_OS_UNIX
+    adjustLocale();
     adjustFileDescriptorLimit();
 #endif
 
@@ -392,4 +394,12 @@ void adjustFileDescriptorLimit()
     limit.rlim_cur = limit.rlim_max;
     setrlimit(RLIMIT_NOFILE, &limit);
 }
+
+void adjustLocale()
+{
+    // specify the default locale just in case if user has not set any other locale
+    // only `C` locale is available universally without installing locale packages
+    if (qEnvironmentVariableIsEmpty("LANG"))
+        qputenv("LANG", "C.UTF-8");
+}
 #endif