1 files changed, 3 insertions, 2 deletions
diff --git a/src/mbgl/shaders/preludes.cpp b/src/mbgl/shaders/preludes.cpp
index cca0f3e3f1..95fa624e8d 100644
--- a/src/mbgl/shaders/preludes.cpp
+++ b/src/mbgl/shaders/preludes.cpp
@@ -48,8 +48,9 @@ vec4 evaluate_zoom_function_4(const vec4 value0, const vec4 value1, const vec4 v
 // packed like so:
 // packedValue = floor(input[0]) * 256 + input[1],
 vec2 unpack_float(const float packedValue) {
-    float v0 = floor(packedValue / 256.0);
-    return vec2(v0, packedValue - v0 * 256.0);
+    int packedIntValue = int(packedValue);
+    int v0 = packedIntValue / 256;
+    return vec2(v0, packedIntValue - v0 * 256);
 }