Index: uspace/lib/c/arch/amd64/include/libarch/tls.h
===================================================================
--- uspace/lib/c/arch/amd64/include/libarch/tls.h	(revision acf6b55769a37eb650905504688103655ff52925)
+++ uspace/lib/c/arch/amd64/include/libarch/tls.h	(revision 0564a02eb4ba1d23bbdd0040a31077f926e58fba)
@@ -55,5 +55,5 @@
 
 	asm volatile ("movq %%fs:0, %0" : "=r" (retval));
-	return retval;
+	return (tcb_t *)retval;
 }