diff --git a/src/dev/disk_image.cc b/src/dev/disk_image.cc
index 84027d9..8194eb5 100644
--- a/src/dev/disk_image.cc
+++ b/src/dev/disk_image.cc
@@ -108,7 +108,8 @@
     if (!stream.is_open())
         panic("file not open!\n");
 
-    if (stream.seekg(offset * SectorSize, ios::beg) < 0)
+    stream.seekg(offset * SectorSize, ios::beg);
+    if (!stream.good())
         panic("Could not seek to location in file");
 
     streampos pos = stream.tellg();
@@ -132,7 +133,8 @@
     if (!stream.is_open())
         panic("file not open!\n");
 
-    if (stream.seekp(offset * SectorSize, ios::beg) < 0)
+    stream.seekp(offset * SectorSize, ios::beg);
+    if (!stream.good())
         panic("Could not seek to location in file");
 
     DPRINTF(DiskImageWrite, "write: offset=%d\n", (uint64_t)offset);