diff --git a/crypto/bn/asm/armv4-mont.pl b/crypto/bn/asm/armv4-mont.pl
index afcbdf6..b751112 100644
--- a/crypto/bn/asm/armv4-mont.pl
+++ b/crypto/bn/asm/armv4-mont.pl
@@ -107,7 +107,7 @@
 #ifdef	__APPLE__
 	ldr	r0,[r0]
 #endif
-	tst	r0,#1			@ NEON available?
+	tst	r0,#ARMV7_NEON		@ NEON available?
 	ldmia	sp, {r0,r2}
 	beq	.Lialu
 	add	sp,sp,#8
diff --git a/crypto/chacha/asm/chacha-armv4.pl b/crypto/chacha/asm/chacha-armv4.pl
index 6c20755..4545101 100755
--- a/crypto/chacha/asm/chacha-armv4.pl
+++ b/crypto/chacha/asm/chacha-armv4.pl
@@ -214,7 +214,7 @@
 # ifdef	__APPLE__
 	ldr	r4,[r4]
 # endif
-	tst	r4,#1
+	tst	r4,#ARMV7_NEON
 	bne	.LChaCha20_neon
 .Lshort:
 #endif
diff --git a/crypto/sha/asm/sha512-armv4.pl b/crypto/sha/asm/sha512-armv4.pl
index cd3662a..15d50f2 100644
--- a/crypto/sha/asm/sha512-armv4.pl
+++ b/crypto/sha/asm/sha512-armv4.pl
@@ -291,7 +291,7 @@
 #ifdef	__APPLE__
 	ldr	r12,[r12]
 #endif
-	tst	r12,#1
+	tst	r12,#ARMV7_NEON
 	bne	.LNEON
 #endif
 	add	$len,$inp,$len,lsl#7	@ len to point at the end of inp