diff --git a/source/row_neon64.cc b/source/row_neon64.cc
index 1f0d6e164..c0fdc6d0d 100644
--- a/source/row_neon64.cc
+++ b/source/row_neon64.cc
@@ -4032,13 +4032,12 @@ void InterpolateRow_NEON(uint8_t* dst_ptr,
       "b.gt        100b                          \n"
 
       "99:         \n"
-      : "+r"(dst_ptr),      // %0
-        "+r"(src_ptr),      // %1
-        "+r"(src_ptr1),     // %2
-        "+r"(dst_width),    // %3
-        "+r"(y1_fraction),  // %4
-        "+r"(y0_fraction)   // %5
-      :
+      : "+r"(dst_ptr),     // %0
+        "+r"(src_ptr),     // %1
+        "+r"(src_ptr1),    // %2
+        "+r"(dst_width)    // %3
+      : "r"(y1_fraction),  // %4
+        "r"(y0_fraction)   // %5
       : "cc", "memory", "v0", "v1", "v3", "v4", "v5");
 }