diff --git a/test_conformance/printf/util_printf.cpp b/test_conformance/printf/util_printf.cpp
index f982f15e..83a21fbb 100644
--- a/test_conformance/printf/util_printf.cpp
+++ b/test_conformance/printf/util_printf.cpp
@@ -1352,7 +1352,7 @@ std::vector<std::string> correctBufferVectorRTZ = {
 
     "1.23e+03,9.87e+05,4.99e-04",
 
-    "0x1p-2,0x1p-1,0x1p+0,0x1.8p+0",
+    "0x1.0p-2,0x1.0p-1,0x1.0p+0,0x1.8p+0",
 
     "1,2,3,4,1.5,3.13999,2.5,3.5",