diff --git a/libc/Android.mk b/libc/Android.mk
index 4a199e747..912be53bd 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -938,9 +938,6 @@ LOCAL_SRC_FILES := $(libc_bionic_src_files)
 LOCAL_CFLAGS := $(libc_common_cflags) \
     -Wframe-larger-than=2048 \
 
-# ssse3-strcmp-slm.S does not compile with Clang.
-LOCAL_CLANG_ASFLAGS_x86_64 += -no-integrated-as
-
 # memcpy.S, memchr.S, etc. do not compile with Clang.
 LOCAL_CLANG_ASFLAGS_arm += -no-integrated-as
 LOCAL_CLANG_ASFLAGS_arm64 += -no-integrated-as
@@ -972,9 +969,6 @@ LOCAL_SRC_FILES := $(libc_bionic_ndk_src_files)
 LOCAL_CFLAGS := $(libc_common_cflags) \
     -Wframe-larger-than=2048 \
 
-# ssse3-strcmp-slm.S does not compile with Clang.
-LOCAL_CLANG_ASFLAGS_x86_64 += -no-integrated-as
-
 # memcpy.S, memchr.S, etc. do not compile with Clang.
 LOCAL_CLANG_ASFLAGS_arm += -no-integrated-as
 LOCAL_CLANG_ASFLAGS_arm64 += -no-integrated-as
@@ -1027,9 +1021,6 @@ LOCAL_SRC_FILES := $(libc_pthread_src_files)
 LOCAL_CFLAGS := $(libc_common_cflags) \
     -Wframe-larger-than=2048 \
 
-# ssse3-strcmp-slm.S does not compile with Clang.
-LOCAL_CLANG_ASFLAGS_x86_64 += -no-integrated-as
-
 # memcpy.S, memchr.S, etc. do not compile with Clang.
 LOCAL_CLANG_ASFLAGS_arm += -no-integrated-as
 LOCAL_CLANG_ASFLAGS_arm64 += -no-integrated-as
diff --git a/libc/arch-x86_64/string/ssse3-strcmp-slm.S b/libc/arch-x86_64/string/ssse3-strcmp-slm.S
index 0dd8c275b..e8acd5ba4 100644
--- a/libc/arch-x86_64/string/ssse3-strcmp-slm.S
+++ b/libc/arch-x86_64/string/ssse3-strcmp-slm.S
@@ -1897,8 +1897,8 @@ L(strcmp_exitz):
 
 	.p2align 4
 L(Byte0):
-	movzx	(%rsi), %ecx
-	movzx	(%rdi), %eax
+	movzbl	(%rsi), %ecx
+	movzbl	(%rdi), %eax
 
 	sub	%ecx, %eax
 	ret