3 files changed, 7 insertions, 7 deletions
diff --git a/src/render/shaders/shader.cpp b/src/render/shaders/shader.cpp
index 97ede0520..f3cb54833 100644
--- a/src/render/shaders/shader.cpp
+++ b/src/render/shaders/shader.cpp
@@ -34,7 +34,7 @@ Shader::Shader(const unsigned int id) :
 
 Shader::~Shader()
 {
-    if (mShaderId)
+    if (mShaderId != 0u)
         mglDeleteShader(mShaderId);
 }
 
diff --git a/src/render/shaders/shaderprogram.cpp b/src/render/shaders/shaderprogram.cpp
index bd19230b5..52cb025d7 100644
--- a/src/render/shaders/shaderprogram.cpp
+++ b/src/render/shaders/shaderprogram.cpp
@@ -43,11 +43,11 @@ ShaderProgram::ShaderProgram(const unsigned int id,
 
 ShaderProgram::~ShaderProgram()
 {
-    if (mProgramId)
+    if (mProgramId != 0u)
         mglDeleteProgram(mProgramId);
-    if (mVertex)
+    if (mVertex != nullptr)
         mVertex->decRef();
-    if (mFragment)
+    if (mFragment != nullptr)
         mFragment->decRef();
 }
 
diff --git a/src/render/shaders/shadersmanager.cpp b/src/render/shaders/shadersmanager.cpp
index 1180ae880..4d4b68083 100644
--- a/src/render/shaders/shadersmanager.cpp
+++ b/src/render/shaders/shadersmanager.cpp
@@ -71,20 +71,20 @@ ShaderProgram *ShadersManager::createProgram(const std::string &vertex,
 {
     Shader *const vertexShader = static_cast<Shader*>(
         Loader::getShader(GL_VERTEX_SHADER, vertex));
-    if (!vertexShader)
+    if (vertexShader == nullptr)
         return nullptr;
 
     Shader *const fragmentShader = static_cast<Shader*>(
         Loader::getShader(GL_FRAGMENT_SHADER, fragment));
 
-    if (!fragmentShader)
+    if (fragmentShader == nullptr)
     {
         vertexShader->decRef();
         return nullptr;
     }
 
     GLuint programId = mglCreateProgram();
-    if (!programId)
+    if (programId == 0u)
     {
         vertexShader->decRef();
         fragmentShader->decRef();