diff --git a/source/row_neon.cc b/source/row_neon.cc
index 14eed6ff8..804ff8395 100644
--- a/source/row_neon.cc
+++ b/source/row_neon.cc
@@ -2502,9 +2502,11 @@ struct RgbConstants {
 // G * 0.5870 coefficient = 150
 // R * 0.2990 coefficient = 77
 // Add 0.5 = 0x80
-static const struct RgbConstants kRgb24JPEGConstants = {{29, 150, 77, 0}, 128};
+static const struct RgbConstants kRgb24JPEGConstants = {{29, 150, 77, 0},
+                                                        128,
+                                                        0};
 
-static const struct RgbConstants kRawJPEGConstants = {{77, 150, 29, 0}, 128};
+static const struct RgbConstants kRawJPEGConstants = {{77, 150, 29, 0}, 128, 0};
 
 // RGB to BT.601 coefficients
 // B * 0.1016 coefficient = 25
@@ -2513,9 +2515,12 @@ static const struct RgbConstants kRawJPEGConstants = {{77, 150, 29, 0}, 128};
 // Add 16.5 = 0x1080
 
 static const struct RgbConstants kRgb24I601Constants = {{25, 129, 66, 0},
-                                                        0x1080};
+                                                        0x1080,
+                                                        0};
 
-static const struct RgbConstants kRawI601Constants = {{66, 129, 25, 0}, 0x1080};
+static const struct RgbConstants kRawI601Constants = {{66, 129, 25, 0},
+                                                      0x1080,
+                                                      0};
 
 // ARGB expects first 3 values to contain RGB and 4th value is ignored.
 void ARGBToYMatrixRow_NEON(const uint8_t* src_argb,
diff --git a/source/row_neon64.cc b/source/row_neon64.cc
index a5313b7ec..0f120373f 100644
--- a/source/row_neon64.cc
+++ b/source/row_neon64.cc
@@ -2746,9 +2746,11 @@ struct RgbConstants {
 // G * 0.5870 coefficient = 150
 // R * 0.2990 coefficient = 77
 // Add 0.5 = 0x80
-static const struct RgbConstants kRgb24JPEGConstants = {{29, 150, 77, 0}, 128};
+static const struct RgbConstants kRgb24JPEGConstants = {{29, 150, 77, 0},
+                                                        128,
+                                                        0};
 
-static const struct RgbConstants kRawJPEGConstants = {{77, 150, 29, 0}, 128};
+static const struct RgbConstants kRawJPEGConstants = {{77, 150, 29, 0}, 128, 0};
 
 // RGB to BT.601 coefficients
 // B * 0.1016 coefficient = 25
@@ -2757,9 +2759,12 @@ static const struct RgbConstants kRawJPEGConstants = {{77, 150, 29, 0}, 128};
 // Add 16.5 = 0x1080
 
 static const struct RgbConstants kRgb24I601Constants = {{25, 129, 66, 0},
-                                                        0x1080};
+                                                        0x1080,
+                                                        0};
 
-static const struct RgbConstants kRawI601Constants = {{66, 129, 25, 0}, 0x1080};
+static const struct RgbConstants kRawI601Constants = {{66, 129, 25, 0},
+                                                      0x1080,
+                                                      0};
 
 // ARGB expects first 3 values to contain RGB and 4th value is ignored.
 void ARGBToYMatrixRow_NEON(const uint8_t* src_argb,