diff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h
index 9e2b3c200ab91ba59da80958f70d90bf0f037540..34af15a6830575fec8abec33ebb7b14cedaaed99 100644
--- a/linux-user/syscall_defs.h
+++ b/linux-user/syscall_defs.h
@@ -55,7 +55,8 @@
 #define TARGET_IOC_NRBITS	8
 #define TARGET_IOC_TYPEBITS	8
 
-#if defined(TARGET_I386) || (defined(TARGET_ARM) && defined(TARGET_ABI32)) \
+#if (defined(TARGET_I386) && defined(TARGET_ABI32)) \
+    || (defined(TARGET_ARM) && defined(TARGET_ABI32)) \
     || defined(TARGET_SPARC) \
     || defined(TARGET_M68K) || defined(TARGET_SH4) || defined(TARGET_CRIS)
     /* 16 bit uid wrappers emulation */