diff --git a/projects/apis/metal/src/pipelines/graphics_pipeline/metal_graphics_pipeline.m b/projects/apis/metal/src/pipelines/graphics_pipeline/metal_graphics_pipeline.m
index 1f2fe13..5d86749 100644
--- a/projects/apis/metal/src/pipelines/graphics_pipeline/metal_graphics_pipeline.m
+++ b/projects/apis/metal/src/pipelines/graphics_pipeline/metal_graphics_pipeline.m
@@ -76,7 +76,8 @@ gnReturnCode createMetalGraphicsPipeline(gnGraphicsPipeline graphicsPipeline, gn
         // printf("shader code: %s\n", shaderCode);
 
         NSError* error = nil;
-        MTLCompileOptions* mtloptions = nil;
+        MTLCompileOptions* mtloptions = [[MTLCompileOptions alloc] init];
+        mtloptions.mathMode = MTLMathModeFast;
         NSString* sourceCode = [NSString stringWithCString:shaderCode encoding:NSUTF8StringEncoding];
         id<MTLLibrary> shaderLib = [device->outputDevice->device    newLibraryWithSource:sourceCode options:mtloptions error:&error];
         if (!shaderLib) {