diff --git a/src/render/OpenGL.cpp b/src/render/OpenGL.cpp
index 9a61265cb..307fa9755 100644
--- a/src/render/OpenGL.cpp
+++ b/src/render/OpenGL.cpp
@@ -2193,7 +2193,7 @@ void CHyprOpenGLImpl::renderBorder(CBox* box, const CGradientValueData& grad, in
     glUniformMatrix3fv(m_RenderData.pCurrentMonData->m_shBORDER1.proj, 1, GL_FALSE, glMatrix.getMatrix().data());
 #endif
 
-    glUniform4fv(m_RenderData.pCurrentMonData->m_shBORDER1.gradient, grad.m_vColorsOkLabA.size(), (float*)grad.m_vColorsOkLabA.data());
+    glUniform4fv(m_RenderData.pCurrentMonData->m_shBORDER1.gradient, grad.m_vColorsOkLabA.size() / 4, (float*)grad.m_vColorsOkLabA.data());
     glUniform1i(m_RenderData.pCurrentMonData->m_shBORDER1.gradientLength, grad.m_vColorsOkLabA.size() / 4);
     glUniform1f(m_RenderData.pCurrentMonData->m_shBORDER1.angle, (int)(grad.m_fAngle / (PI / 180.0)) % 360 * (PI / 180.0));
     glUniform1f(m_RenderData.pCurrentMonData->m_shBORDER1.alpha, a);