diff --git a/Texassemble/texassemble.cpp b/Texassemble/texassemble.cpp
index 45d1824..26208fd 100644
--- a/Texassemble/texassemble.cpp
+++ b/Texassemble/texassemble.cpp
@@ -1160,6 +1160,8 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
                     return 1;
                 }
 
+                inFile.imbue(std::locale::classic());
+
                 ProcessFileList(inFile, conversion);
             }
             break;
diff --git a/Texconv/texconv.cpp b/Texconv/texconv.cpp
index 8388809..66ec699 100644
--- a/Texconv/texconv.cpp
+++ b/Texconv/texconv.cpp
@@ -1862,6 +1862,8 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
                     return 1;
                 }
 
+                inFile.imbue(std::locale::classic());
+
                 ProcessFileList(inFile, conversion);
             }
             break;
diff --git a/Texdiag/texdiag.cpp b/Texdiag/texdiag.cpp
index 5b13a9d..b1f35fb 100644
--- a/Texdiag/texdiag.cpp
+++ b/Texdiag/texdiag.cpp
@@ -3434,6 +3434,8 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
                     return 1;
                 }
 
+                inFile.imbue(std::locale::classic());
+
                 ProcessFileList(inFile, conversion);
             }
             break;