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-rw-r--r--examples/gui/openglwindow/main.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/examples/gui/openglwindow/main.cpp b/examples/gui/openglwindow/main.cpp
index 237680a889..aa1c6d7fa1 100644
--- a/examples/gui/openglwindow/main.cpp
+++ b/examples/gui/openglwindow/main.cpp
@@ -144,7 +144,7 @@ void TriangleWindow::render()
m_program->bind();
QMatrix4x4 matrix;
- matrix.perspective(60, 4.0/3.0, 0.1, 100.0);
+ matrix.perspective(60.0f, 4.0f/3.0f, 0.1f, 100.0f);
matrix.translate(0, 0, -2);
matrix.rotate(100.0f * m_frame / screen()->refreshRate(), 0, 1, 0);