diff --git a/src/fs/minix.cpp b/src/fs/minix.cpp
index 0998c20..cbd4038 100644
--- a/src/fs/minix.cpp
+++ b/src/fs/minix.cpp
@@ -20,6 +20,8 @@
 #include "util/capacity.h"
 #include "util/externalcommand.h"
 
+#include <QString>
+
 namespace FS
 {
 FileSystem::CommandSupportType minix::m_GetLabel = FileSystem::cmdSupportNone;
diff --git a/src/fs/minix.h b/src/fs/minix.h
index d950c7a..2d7b6ee 100644
--- a/src/fs/minix.h
+++ b/src/fs/minix.h
@@ -24,6 +24,8 @@
 
 class Report;
 
+class QString;
+
 namespace FS
 {
 /** A minix(Mini Unix) file system.