diff --git a/tests/PrimitiveProcessorTest.cpp b/tests/PrimitiveProcessorTest.cpp
index 75bdb83..d2e851d 100644
--- a/tests/PrimitiveProcessorTest.cpp
+++ b/tests/PrimitiveProcessorTest.cpp
@@ -72,8 +72,8 @@
                         args.fVaryingHandler->emitAttributes(gp);
                         this->setupPosition(args.fVertBuilder, gpArgs, gp.getAttrib(0).fName);
                         GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder;
-                        fragBuilder->codeAppendf("%s = vec4(1);", args.fOutputColor);
-                        fragBuilder->codeAppendf("%s = vec4(1);", args.fOutputCoverage);
+                        fragBuilder->codeAppendf("%s = float4(1);", args.fOutputColor);
+                        fragBuilder->codeAppendf("%s = float4(1);", args.fOutputCoverage);
                     }
                     void setData(const GrGLSLProgramDataManager& pdman,
                                  const GrPrimitiveProcessor& primProc,