diff --git a/Common/GPU/OpenGL/thin3d_gl.cpp b/Common/GPU/OpenGL/thin3d_gl.cpp
index 66c408f95375..59cd3eba3c6a 100644
--- a/Common/GPU/OpenGL/thin3d_gl.cpp
+++ b/Common/GPU/OpenGL/thin3d_gl.cpp
@@ -934,7 +934,7 @@ void OpenGLTexture::UpdateTextureLevels(GLRenderManager *render, const uint8_t *
 OpenGLTexture::~OpenGLTexture() {
 	if (tex_) {
 		render_->DeleteTexture(tex_);
-		tex_ = 0;
+		tex_ = nullptr;
 		generatedMips_ = false;
 	}
 }
diff --git a/GPU/GLES/DrawEngineGLES.cpp b/GPU/GLES/DrawEngineGLES.cpp
index e4d5bbac31be..3d90fe9e7753 100644
--- a/GPU/GLES/DrawEngineGLES.cpp
+++ b/GPU/GLES/DrawEngineGLES.cpp
@@ -521,7 +521,7 @@ void TessellationDataTransferGLES::SendDataToShader(const SimpleVertex *const *p
 	if (prevSizeU < size_u || prevSizeV < size_v) {
 		prevSizeU = size_u;
 		prevSizeV = size_v;
-		if (!data_tex[0])
+		if (data_tex[0])
 			renderManager_->DeleteTexture(data_tex[0]);
 		data_tex[0] = renderManager_->CreateTexture(GL_TEXTURE_2D, size_u * 3, size_v, 1, 1);
 		renderManager_->TextureImage(data_tex[0], 0, size_u * 3, size_v, 1, Draw::DataFormat::R32G32B32A32_FLOAT, nullptr, GLRAllocType::NONE, false);
@@ -540,7 +540,7 @@ void TessellationDataTransferGLES::SendDataToShader(const SimpleVertex *const *p
 	// Weight U
 	if (prevSizeWU < weights.size_u) {
 		prevSizeWU = weights.size_u;
-		if (!data_tex[1])
+		if (data_tex[1])
 			renderManager_->DeleteTexture(data_tex[1]);
 		data_tex[1] = renderManager_->CreateTexture(GL_TEXTURE_2D, weights.size_u * 2, 1, 1, 1);
 		renderManager_->TextureImage(data_tex[1], 0, weights.size_u * 2, 1, 1, Draw::DataFormat::R32G32B32A32_FLOAT, nullptr, GLRAllocType::NONE, false);
@@ -552,7 +552,7 @@ void TessellationDataTransferGLES::SendDataToShader(const SimpleVertex *const *p
 	// Weight V
 	if (prevSizeWV < weights.size_v) {
 		prevSizeWV = weights.size_v;
-		if (!data_tex[2])
+		if (data_tex[2])
 			renderManager_->DeleteTexture(data_tex[2]);
 		data_tex[2] = renderManager_->CreateTexture(GL_TEXTURE_2D, weights.size_v * 2, 1, 1, 1);
 		renderManager_->TextureImage(data_tex[2], 0, weights.size_v * 2, 1, 1, Draw::DataFormat::R32G32B32A32_FLOAT, nullptr, GLRAllocType::NONE, false);