diff --git a/common.h b/common.h
index 6761159..d962a0a 100644
--- a/common.h
+++ b/common.h
@@ -68,7 +68,7 @@ void ui_set_progress(float fraction);  // 0.0 - 1.0 within the defined scope
 
 // Default allocation of progress bar segments to operations
 static const int VERIFICATION_PROGRESS_TIME = 60;
-static const float VERIFICATION_PROGRESS_FRACTION = 0.5;
+static const float VERIFICATION_PROGRESS_FRACTION = 0.25;
 static const float DEFAULT_FILES_PROGRESS_FRACTION = 0.4;
 static const float DEFAULT_IMAGE_PROGRESS_FRACTION = 0.1;