diff --git a/compressed_archive/wrapper.pri b/compressed_archive/wrapper.pri
index 48c2d573..a8d77740 100644
--- a/compressed_archive/wrapper.pri
+++ b/compressed_archive/wrapper.pri
@@ -34,6 +34,7 @@ SOURCES += \
     $$PWD/lib7zip/CPP/Windows/TimeUtils.cpp \
     $$PWD/lib7zip/CPP/Common/UTFConvert.cpp \
     $$PWD/lib7zip/CPP/Common/MyWindows.cpp \
+    $$PWD/lib7zip/CPP/Common/StringConvert.cpp \
 }
 
 HEADERS += \