diff --git a/radare2 b/radare2
index 55362b40..fc6cc69e 160000
--- a/radare2
+++ b/radare2
@@ -1 +1 @@
-Subproject commit 55362b409b98a97b0f9ccf1b50b61510bfa80816
+Subproject commit fc6cc69e9002a8e3cb84d94413b6736822eaa74e
diff --git a/src/qrcore.cpp b/src/qrcore.cpp
index 75b25429..fc216435 100644
--- a/src/qrcore.cpp
+++ b/src/qrcore.cpp
@@ -385,7 +385,10 @@ bool IaitoRCore::tryFile(QString path, bool rw)
         return false;
     }
 
-    bool is_writable = cf->desc->flags & R_IO_WRITE;
+    bool is_writable = false;
+    if (cf->core && cf->core->io && cf->core->io->desc) {
+	    is_writable = cf->core->io->desc->flags & R_IO_WRITE;
+    }
     // if rbin works, tell entry0, and symbols (main, constructor, ..)
 
     //r_core_file_close (this->core, cf);