diff --git a/code/ryzom/tools/client/ryzom_installer/src/filesextractor.cpp b/code/ryzom/tools/client/ryzom_installer/src/filesextractor.cpp
index ab3c7d929..17319bf0e 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/filesextractor.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/filesextractor.cpp
@@ -467,6 +467,10 @@ bool CFilesExtractor::extract7z()
 		error = QApplication::tr("7zip decoder doesn't support this archive");
 		break;
 
+		case SZ_ERROR_INPUT_EOF:
+		error = QApplication::tr("Errors in 7z file");
+		break;
+
 		case SZ_ERROR_FAIL:
 		// error already defined
 		break;