diff --git a/libc/platform/bionic/reserved_signals.h b/libc/platform/bionic/reserved_signals.h
index 4ac6455..3c5bc02 100644
--- a/libc/platform/bionic/reserved_signals.h
+++ b/libc/platform/bionic/reserved_signals.h
@@ -47,9 +47,9 @@
 // If you change this, also change __ndk_legacy___libc_current_sigrtmin
 // in <android/legacy_signal_inlines.h> to match.
 
-#define BIONIC_SIGNAL_DEBUGGER __SIGRTMIN + 3
-#define BIONIC_SIGNAL_PROFILER __SIGRTMIN + 4
-#define BIONIC_SIGNAL_FDTRACK __SIGRTMIN + 7
+#define BIONIC_SIGNAL_DEBUGGER (__SIGRTMIN + 3)
+#define BIONIC_SIGNAL_PROFILER (__SIGRTMIN + 4)
+#define BIONIC_SIGNAL_FDTRACK (__SIGRTMIN + 7)
 
 #define __SIGRT_RESERVED 8
 static inline __always_inline sigset64_t filter_reserved_signals(sigset64_t sigset, int how) {
diff --git a/libc/platform/bionic/tls_defines.h b/libc/platform/bionic/tls_defines.h
index 92f707a..78099b3 100644
--- a/libc/platform/bionic/tls_defines.h
+++ b/libc/platform/bionic/tls_defines.h
@@ -80,8 +80,8 @@
 // [1] "Addenda to, and Errata in, the ABI for the ARM Architecture". Section 3.
 // http://infocenter.arm.com/help/topic/com.arm.doc.ihi0045e/IHI0045E_ABI_addenda.pdf
 
-#define MIN_TLS_SLOT              -1 // update this value when reserving a slot
-#define TLS_SLOT_BIONIC_TLS       -1
+#define MIN_TLS_SLOT            (-1) // update this value when reserving a slot
+#define TLS_SLOT_BIONIC_TLS     (-1)
 #define TLS_SLOT_DTV              0
 #define TLS_SLOT_THREAD_ID        1
 #define TLS_SLOT_APP              2 // was historically used for errno