diff --git a/Source/Core/Core/PowerPC/JitCommon/JitBackpatch.h b/Source/Core/Core/PowerPC/JitCommon/JitBackpatch.h
index 3a573f7531..43b9b4cfe9 100644
--- a/Source/Core/Core/PowerPC/JitCommon/JitBackpatch.h
+++ b/Source/Core/Core/PowerPC/JitCommon/JitBackpatch.h
@@ -84,8 +84,9 @@ const int BACKPATCH_SIZE = 5;
 		#define CTX_R15 gregs[REG_R15]
 		#define CTX_RIP gregs[REG_RIP]
 	#elif _M_ARM_32
+		#include <asm/sigcontext.h>
 		// Add others if required.
-		typedef struct sigcontext SContext;
+		typedef sigcontext SContext;
 		#define CTX_PC  arm_pc
 	#else
 		#warning No context definition for OS