diff --git a/React/Profiler/RCTProfileTrampoline-arm.S b/React/Profiler/RCTProfileTrampoline-arm.S
index 61c32df9285..96f140b25e0 100644
--- a/React/Profiler/RCTProfileTrampoline-arm.S
+++ b/React/Profiler/RCTProfileTrampoline-arm.S
@@ -12,6 +12,7 @@
 
 #if RCT_DEV && defined(__arm__)
 
+  .thumb
 	.align 5
   .globl SYMBOL_NAME(RCTProfileTrampoline)
 SYMBOL_NAME(RCTProfileTrampoline):