diff --git a/src/win32.cpp b/src/win32.cpp
--- a/src/win32.cpp
+++ b/src/win32.cpp
@@ -1031,6 +1031,7 @@ char *getcwd(char *buf, size_t size)
 
 void DetermineBasePaths(const char *exe)
 {
+	extern void ScanForTarFiles();
 	char tmp[MAX_PATH];
 	TCHAR path[MAX_PATH];
 #ifdef WITH_PERSONAL_DIR
@@ -1076,6 +1077,8 @@ void DetermineBasePaths(const char *exe)
 
 	_searchpaths[SP_INSTALLATION_DIR]       = NULL;
 	_searchpaths[SP_APPLICATION_BUNDLE_DIR] = NULL;
+
+	ScanForTarFiles();
 }
 
 /**