diff --git a/src/mbgl/renderer/layers/render_heatmap_layer.cpp b/src/mbgl/renderer/layers/render_heatmap_layer.cpp
index 0f9e3239e..4f2e89922 100644
--- a/src/mbgl/renderer/layers/render_heatmap_layer.cpp
+++ b/src/mbgl/renderer/layers/render_heatmap_layer.cpp
@@ -67,7 +67,7 @@ void RenderHeatmapLayer::render(PaintParameters& parameters, RenderSource*) {
                 }
             }
 
-            if (!renderTexture) {
+            if (!parameters.context.supportsHalfFloatTextures || !renderTexture) {
                 renderTexture = OffscreenTexture(parameters.context, size, gl::TextureType::UnsignedByte);
                 renderTexture->bind();
             }