diff --git a/CMakeLists.txt b/CMakeLists.txt
index a7935d5..047041f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -73,6 +73,7 @@ else()
         -Wno-missing-braces
         -Wconversion
         -Wsign-conversion
+        -Wshadow
         -Werror)
 endif()
 
diff --git a/src/literal_number.cpp b/src/literal_number.cpp
index f418be4..3dd8668 100644
--- a/src/literal_number.cpp
+++ b/src/literal_number.cpp
@@ -9,8 +9,8 @@
 
 namespace Sirit {
 
-LiteralNumber::LiteralNumber(u64 raw, bool is_32)
-    : Operand{OperandType::Number}, raw{raw}, is_32{is_32} {}
+LiteralNumber::LiteralNumber(u64 raw_, bool is_32_)
+    : Operand{OperandType::Number}, raw{raw_}, is_32{is_32_} {}
 
 LiteralNumber::~LiteralNumber() = default;
 
diff --git a/src/literal_string.cpp b/src/literal_string.cpp
index bc8e6e1..b201228 100644
--- a/src/literal_string.cpp
+++ b/src/literal_string.cpp
@@ -10,8 +10,8 @@
 
 namespace Sirit {
 
-LiteralString::LiteralString(std::string string)
-    : Operand{OperandType::String}, string{std::move(string)} {}
+LiteralString::LiteralString(std::string string_)
+    : Operand{OperandType::String}, string{std::move(string_)} {}
 
 LiteralString::~LiteralString() = default;
 
diff --git a/src/op.cpp b/src/op.cpp
index 6319584..c75a355 100644
--- a/src/op.cpp
+++ b/src/op.cpp
@@ -16,8 +16,8 @@
 
 namespace Sirit {
 
-Op::Op(spv::Op opcode, std::optional<u32> id, Id result_type)
-    : Operand{OperandType::Op}, opcode(opcode), result_type(result_type), id(id) {}
+Op::Op(spv::Op opcode_, std::optional<u32> id_, Id result_type_)
+    : Operand{OperandType::Op}, opcode{opcode_}, result_type{result_type_}, id{id_} {}
 
 Op::~Op() = default;
 
diff --git a/src/operand.cpp b/src/operand.cpp
index 196c64f..69e4409 100644
--- a/src/operand.cpp
+++ b/src/operand.cpp
@@ -9,7 +9,7 @@
 
 namespace Sirit {
 
-Operand::Operand(OperandType operand_type) : operand_type{operand_type} {}
+Operand::Operand(OperandType operand_type_) : operand_type{operand_type_} {}
 
 Operand::~Operand() = default;
 
diff --git a/src/sirit.cpp b/src/sirit.cpp
index 2fb8580..473830c 100644
--- a/src/sirit.cpp
+++ b/src/sirit.cpp
@@ -20,7 +20,7 @@ static void WriteSet(Stream& stream, const T& set) {
     }
 }
 
-Module::Module(u32 version) : version(version) {}
+Module::Module(u32 version_) : version{version_} {}
 
 Module::~Module() = default;
 
diff --git a/src/stream.cpp b/src/stream.cpp
index 7a60faf..32bafbd 100644
--- a/src/stream.cpp
+++ b/src/stream.cpp
@@ -8,7 +8,7 @@
 
 namespace Sirit {
 
-Stream::Stream(std::vector<u32>& words) : words(words) {}
+Stream::Stream(std::vector<u32>& words_) : words{words_} {}
 
 Stream::~Stream() = default;