diff --git a/c/qrcodegen.c b/c/qrcodegen.c
index 112e974..e662341 100644
--- a/c/qrcodegen.c
+++ b/c/qrcodegen.c
@@ -403,16 +403,16 @@ static void drawWhiteFunctionModules(uint8_t qrcode[], int version) {
 		int rem = version;  // version is uint6, in the range [7, 40]
 		for (int i = 0; i < 12; i++)
 			rem = (rem << 1) ^ ((rem >> 11) * 0x1F25);
-		long data = (long)version << 12 | rem;  // uint18
-		assert(data >> 18 == 0);
+		long bits = (long)version << 12 | rem;  // uint18
+		assert(bits >> 18 == 0);
 		
 		// Draw two copies
 		for (int i = 0; i < 6; i++) {
 			for (int j = 0; j < 3; j++) {
 				int k = qrsize - 11 + j;
-				setModule(qrcode, k, i, (data & 1) != 0);
-				setModule(qrcode, i, k, (data & 1) != 0);
-				data >>= 1;
+				setModule(qrcode, k, i, (bits & 1) != 0);
+				setModule(qrcode, i, k, (bits & 1) != 0);
+				bits >>= 1;
 			}
 		}
 	}
diff --git a/cpp/QrCode.cpp b/cpp/QrCode.cpp
index 668bdb9..3357cd6 100644
--- a/cpp/QrCode.cpp
+++ b/cpp/QrCode.cpp
@@ -252,13 +252,13 @@ void QrCode::drawVersion() {
 	int rem = version;  // version is uint6, in the range [7, 40]
 	for (int i = 0; i < 12; i++)
 		rem = (rem << 1) ^ ((rem >> 11) * 0x1F25);
-	long data = (long)version << 12 | rem;  // uint18
-	if (data >> 18 != 0)
+	long bits = (long)version << 12 | rem;  // uint18
+	if (bits >> 18 != 0)
 		throw std::logic_error("Assertion error");
 	
 	// Draw two copies
 	for (int i = 0; i < 18; i++) {
-		bool bit = getBit(data, i);
+		bool bit = getBit(bits, i);
 		int a = size - 11 + i % 3, b = i / 3;
 		setFunctionModule(a, b, bit);
 		setFunctionModule(b, a, bit);
diff --git a/java/io/nayuki/qrcodegen/QrCode.java b/java/io/nayuki/qrcodegen/QrCode.java
index 8a551b1..6582fd4 100644
--- a/java/io/nayuki/qrcodegen/QrCode.java
+++ b/java/io/nayuki/qrcodegen/QrCode.java
@@ -382,12 +382,12 @@ public final class QrCode {
 		int rem = version;  // version is uint6, in the range [7, 40]
 		for (int i = 0; i < 12; i++)
 			rem = (rem << 1) ^ ((rem >>> 11) * 0x1F25);
-		int data = version << 12 | rem;  // uint18
-		assert data >>> 18 == 0;
+		int bits = version << 12 | rem;  // uint18
+		assert bits >>> 18 == 0;
 		
 		// Draw two copies
 		for (int i = 0; i < 18; i++) {
-			boolean bit = getBit(data, i);
+			boolean bit = getBit(bits, i);
 			int a = size - 11 + i % 3, b = i / 3;
 			setFunctionModule(a, b, bit);
 			setFunctionModule(b, a, bit);
diff --git a/javascript/qrcodegen.js b/javascript/qrcodegen.js
index 36a0384..b95f77f 100644
--- a/javascript/qrcodegen.js
+++ b/javascript/qrcodegen.js
@@ -259,13 +259,13 @@ var qrcodegen = new function() {
 			var rem = version;  // version is uint6, in the range [7, 40]
 			for (var i = 0; i < 12; i++)
 				rem = (rem << 1) ^ ((rem >>> 11) * 0x1F25);
-			var data = version << 12 | rem;  // uint18
-			if (data >>> 18 != 0)
+			var bits = version << 12 | rem;  // uint18
+			if (bits >>> 18 != 0)
 				throw "Assertion error";
 			
 			// Draw two copies
 			for (var i = 0; i < 18; i++) {
-				var bit = getBit(data, i);
+				var bit = getBit(bits, i);
 				var a = size - 11 + i % 3, b = Math.floor(i / 3);
 				setFunctionModule(a, b, bit);
 				setFunctionModule(b, a, bit);
diff --git a/python/qrcodegen.py b/python/qrcodegen.py
index 8f0fbdb..db449d9 100644
--- a/python/qrcodegen.py
+++ b/python/qrcodegen.py
@@ -304,12 +304,12 @@ class QrCode(object):
 		rem = self._version  # version is uint6, in the range [7, 40]
 		for _ in range(12):
 			rem = (rem << 1) ^ ((rem >> 11) * 0x1F25)
-		data = self._version << 12 | rem  # uint18
-		assert data >> 18 == 0
+		bits = self._version << 12 | rem  # uint18
+		assert bits >> 18 == 0
 		
 		# Draw two copies
 		for i in range(18):
-			bit = _get_bit(data, i)
+			bit = _get_bit(bits, i)
 			a, b = self._size - 11 + i % 3, i // 3
 			self._set_function_module(a, b, bit)
 			self._set_function_module(b, a, bit)
diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index dbeec47..c4f5f59 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -350,12 +350,12 @@ impl QrCode {
 		for _ in 0 .. 12 {
 			rem = (rem << 1) ^ ((rem >> 11) * 0x1F25);
 		}
-		let data: u32 = (self.version.value() as u32) << 12 | rem;  // uint18
-		assert!(data >> 18 == 0, "Assertion error");
+		let bits: u32 = (self.version.value() as u32) << 12 | rem;  // uint18
+		assert!(bits >> 18 == 0, "Assertion error");
 		
 		// Draw two copies
 		for i in 0 .. 18 {
-			let bit: bool = get_bit(data, i);
+			let bit: bool = get_bit(bits, i);
 			let a: i32 = self.size - 11 + i % 3;
 			let b: i32 = i / 3;
 			self.set_function_module(a, b, bit);
diff --git a/typescript/qrcodegen.ts b/typescript/qrcodegen.ts
index 0101a46..081cea1 100644
--- a/typescript/qrcodegen.ts
+++ b/typescript/qrcodegen.ts
@@ -322,13 +322,13 @@ namespace qrcodegen {
 			let rem: int = this.version;  // version is uint6, in the range [7, 40]
 			for (let i = 0; i < 12; i++)
 				rem = (rem << 1) ^ ((rem >>> 11) * 0x1F25);
-			let data: int = this.version << 12 | rem;  // uint18
-			if (data >>> 18 != 0)
+			let bits: int = this.version << 12 | rem;  // uint18
+			if (bits >>> 18 != 0)
 				throw "Assertion error";
 			
 			// Draw two copies
 			for (let i = 0; i < 18; i++) {
-				let bt: boolean = getBit(data, i);
+				let bt: boolean = getBit(bits, i);
 				let a: int = this.size - 11 + i % 3;
 				let b: int = Math.floor(i / 3);
 				this.setFunctionModule(a, b, bt);