diff --git a/src/index.js b/src/index.js
index e4b5ff4e..c808762d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -12,8 +12,8 @@ const dangerousTransforms = ['dangerousTaggedTemplateString', 'dangerousForOf'];
 export function target(target) {
 	const targets = Object.keys(target);
 	let bitmask = targets.length
-		? 0b1111111111111111111111
-		: 0b0010000000000000000001;
+		? 0b11111111111111111111111
+		: 0b00010000000000000000001;
 
 	Object.keys(target).forEach(environment => {
 		const versions = matrix[environment];
diff --git a/src/support.js b/src/support.js
index a827176b..50156f44 100644
--- a/src/support.js
+++ b/src/support.js
@@ -1,89 +1,89 @@
 export const matrix = {
 	chrome: {
-		    48: 0b0010010101000110011111,
-		    49: 0b0010011111001111111111,
-		    50: 0b0010111111001111111111,
-		    51: 0b0010111111001111111111,
-		    52: 0b0011111111001111111111,
-		    53: 0b0011111111001111111111,
-		    54: 0b0011111111001111111111,
-		    55: 0b1011111111001111111111,
-		    56: 0b1011111111001111111111,
-		    57: 0b1011111111001111111111,
-		    58: 0b1111111111001111111111,
-		    59: 0b1111111111001111111111,
-		    60: 0b1111111111001111111111,
-		    61: 0b1111111111001111111111,
-		    62: 0b1111111111001111111111,
-		    63: 0b1111111111001111111111,
-		    64: 0b1111111111001111111111,
-		    65: 0b1111111111001111111111,
-		    66: 0b1111111111001111111111,
-		    67: 0b1111111111001111111111,
-		    68: 0b1111111111001111111111,
-		    69: 0b1111111111001111111111,
-		    70: 0b1111111111001111111111,
-		    71: 0b1111111111001111111111
+		    48: 0b00010010101000110011111,
+		    49: 0b00010011111001111111111,
+		    50: 0b00010111111001111111111,
+		    51: 0b00010111111001111111111,
+		    52: 0b00011111111001111111111,
+		    53: 0b00011111111001111111111,
+		    54: 0b00011111111001111111111,
+		    55: 0b01011111111001111111111,
+		    56: 0b01011111111001111111111,
+		    57: 0b01011111111001111111111,
+		    58: 0b01111111111001111111111,
+		    59: 0b01111111111001111111111,
+		    60: 0b11111111111001111111111,
+		    61: 0b11111111111001111111111,
+		    62: 0b11111111111001111111111,
+		    63: 0b11111111111001111111111,
+		    64: 0b11111111111001111111111,
+		    65: 0b11111111111001111111111,
+		    66: 0b11111111111001111111111,
+		    67: 0b11111111111001111111111,
+		    68: 0b11111111111001111111111,
+		    69: 0b11111111111001111111111,
+		    70: 0b11111111111001111111111,
+		    71: 0b11111111111001111111111
 	},
 	firefox: {
-		    43: 0b0010011101000110111011,
-		    44: 0b0010011101000110111011,
-		    45: 0b0010011101000110111111,
-		    46: 0b0010111101000110111111,
-		    47: 0b0010111101000111111111,
-		    48: 0b0010111101000111111111,
-		    49: 0b0010111101000111111111,
-		    50: 0b0010111101000111111111,
-		    51: 0b0010111101001111111111,
-		    52: 0b1111111111001111111111,
-		    53: 0b1111111111001111111111,
-		    54: 0b1111111111001111111111,
-		    55: 0b1111111111001111111111,
-		    56: 0b1111111111001111111111,
-		    57: 0b1111111111001111111111,
-		    58: 0b1111111111001111111111,
-		    59: 0b1111111111001111111111,
-		    60: 0b1111111111001111111111,
-		    61: 0b1111111111001111111111,
-		    62: 0b1111111111001111111111,
-		    63: 0b1111111111001111111111,
-		    64: 0b1111111111001111111111
+		    43: 0b00010011101000110111011,
+		    44: 0b00010011101000110111011,
+		    45: 0b00010011101000110111111,
+		    46: 0b00010111101000110111111,
+		    47: 0b00010111101000111111111,
+		    48: 0b00010111101000111111111,
+		    49: 0b00010111101000111111111,
+		    50: 0b00010111101000111111111,
+		    51: 0b00010111101001111111111,
+		    52: 0b01111111111001111111111,
+		    53: 0b01111111111001111111111,
+		    54: 0b01111111111001111111111,
+		    55: 0b11111111111001111111111,
+		    56: 0b11111111111001111111111,
+		    57: 0b11111111111001111111111,
+		    58: 0b11111111111001111111111,
+		    59: 0b11111111111001111111111,
+		    60: 0b11111111111001111111111,
+		    61: 0b11111111111001111111111,
+		    62: 0b11111111111001111111111,
+		    63: 0b11111111111001111111111,
+		    64: 0b11111111111001111111111
 	},
 	safari: {
-		     8: 0b0010000000000000001001,
-		     9: 0b0010010001000011011101,
-		    10: 0b0110111111001111111111,
-		'10.1': 0b1111111111001111111111,
-		    11: 0b1111111111001111111111,
-		'11.1': 0b1111111111001111111111,
-		    12: 0b1111111111001111111111
+		     8: 0b00010000000000000001001,
+		     9: 0b00010010001000011011101,
+		    10: 0b00110111111001111111111,
+		'10.1': 0b01111111111001111111111,
+		    11: 0b01111111111001111111111,
+		'11.1': 0b11111111111001111111111,
+		    12: 0b11111111111001111111111
 	},
 	ie: {
-		     8: 0b0000000000000000000000,
-		     9: 0b0010000000000000000001,
-		    10: 0b0010000000000000000001,
-		    11: 0b0010000000000000000001 // no let/const in for loops
+		     8: 0b00000000000000000000000,
+		     9: 0b00010000000000000000001,
+		    10: 0b00010000000000000000001,
+		    11: 0b00010000000000000000001 // no let/const in for loops
 	},
 	edge: {
-		    12: 0b0010010101000010011011,
-		    13: 0b0010111101000110011111,
-		    14: 0b0111111101001111111111,
-		    15: 0b1111111101001111111111,
-		    16: 0b1111111101001111111111,
-		    17: 0b1111111101001111111111,
-		    18: 0b1111111101001111111111,
-		    19: 0b1111111101001111111111
+		    12: 0b00010010101000010011011,
+		    13: 0b00010111101000110011111,
+		    14: 0b00111111101001111111111,
+		    15: 0b01111111101001111111111,
+		    16: 0b01111111101001111111111,
+		    17: 0b01111111101001111111111,
+		    18: 0b01111111101001111111111,
+		    19: 0b01111111101001111111111
 	},
 	node: {
-		'0.10': 0b0010000000000000000001,
-		'0.12': 0b0010000000000010000001,
-		     4: 0b0010010001000110011111,
-		     5: 0b0010010001000110011111,
-		     6: 0b0010111111001111111111,
-		     8: 0b1111111111001111111111,
-		 '8.3': 0b1111111111001111111111,
-		 '8.7': 0b1111111111001111111111,
-		'8.10': 0b1111111111001111111111
+		'0.10': 0b00010000000000000000001,
+		'0.12': 0b00010000000000010000001,
+		     4: 0b00010010001000110011111,
+		     5: 0b00010010001000110011111,
+		     6: 0b00010111111001111111111,
+		     8: 0b01111111111001111111111,
+		 '8.3': 0b11111111111001111111111,
+		 '8.7': 0b11111111111001111111111,
+		'8.10': 0b11111111111001111111111
 	}
 };
 
@@ -116,4 +116,5 @@ export const features = [
 
 	'trailingFunctionCommas',
 	'asyncAwait',
+	'objectRestSpread'
 ];