diff --git a/test_conformance/printf/util_printf.cpp b/test_conformance/printf/util_printf.cpp
index 5b96e8683..adf7b9301 100644
--- a/test_conformance/printf/util_printf.cpp
+++ b/test_conformance/printf/util_printf.cpp
@@ -1179,7 +1179,7 @@ std::vector<printDataGenParameters> printVectorGenParameters = {
 
     // Four component vector in hexadecimal floating point, lowercase format
 
-    { { "" }, "(0.25f,0.5f,1.f,1.5f)", "%", "hla", "float", "4" },
+    { { "" }, "(0.25f,0.5f,1.f,1.5f)", "%.1", "hla", "float", "4" },
 
     // Eight component vector in the shortest float representation
 
@@ -1231,7 +1231,7 @@ std::vector<std::string> correctBufferVector = {
 
     "1.23e+03,9.88e+05,5.00e-04",
 
-    "0x1p-2,0x1p-1,0x1p+0,0x1.8p+0",
+    "0x1.0p-2,0x1.0p-1,0x1.0p+0,0x1.8p+0",
 
     "1,2,3,4,1.5,3.14,2.5,3.5",