diff --git a/lib/libthr/arch/arm/include/pthread_md.h b/lib/libthr/arch/arm/include/pthread_md.h
index 0164da6f4c38..e799c542feb3 100644
--- a/lib/libthr/arch/arm/include/pthread_md.h
+++ b/lib/libthr/arch/arm/include/pthread_md.h
@@ -43,9 +43,9 @@
  * Variant II tcb, first two members are required by rtld.
  */
 struct tcb {
-	struct tcb              *tcb_self;	/* required by rtld */
-	void                    *tcb_dtv;	/* required by rtld */
-	struct pthread          *tcb_thread;	/* our hook */
+	struct tcb		*tcb_self;	/* required by rtld */
+	void			*tcb_dtv;	/* required by rtld */
+	struct pthread		*tcb_thread;	/* our hook */
 	void			*tcb_spare[1];
 };
 
diff --git a/lib/libthr/arch/sparc64/include/pthread_md.h b/lib/libthr/arch/sparc64/include/pthread_md.h
index 8bfa5f47cfa7..79092912a9c2 100644
--- a/lib/libthr/arch/sparc64/include/pthread_md.h
+++ b/lib/libthr/arch/sparc64/include/pthread_md.h
@@ -44,9 +44,9 @@
  * %g7 points to the structure.
  */
 struct tcb {
-	struct tcb              *tcb_self;	/* required by rtld */
-	void                    *tcb_dtv;	/* required by rtld */
-	struct pthread          *tcb_thread;	/* our hook */
+	struct tcb		*tcb_self;	/* required by rtld */
+	void			*tcb_dtv;	/* required by rtld */
+	struct pthread		*tcb_thread;	/* our hook */
 	void			*tcb_spare[1];
 };