diff --git a/README.md b/README.md
index 50f89a8..34e155f 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,11 @@ sample_lib implements SAMPLE_Function, as an example for how to build and link a
 
 ## Version History
 
+### Development Build: v1.2.0-rc1+dev34
+
+- Replace direct ref to ArgPtr with `UT_Hook_GetArgValueByName` macro. Reading the pointer directly is not advised.
+- See <https://github.com/nasa/sample_lib/pull/61> and <https://github.com/nasa/cFS/pull/250>
+
 ### Development Build: v1.2.0-rc1+dev30
 
 - Replace <> with " for local includes
diff --git a/fsw/src/sample_lib_version.h b/fsw/src/sample_lib_version.h
index 47296d1..766b4e5 100644
--- a/fsw/src/sample_lib_version.h
+++ b/fsw/src/sample_lib_version.h
@@ -32,7 +32,7 @@
 
 /* Development Build Macro Definitions */
 
-#define SAMPLE_LIB_BUILD_NUMBER 30 /*!< Development Build: Number of commits since baseline */
+#define SAMPLE_LIB_BUILD_NUMBER 34 /*!< Development Build: Number of commits since baseline */
 #define SAMPLE_LIB_BUILD_BASELINE \
     "v1.2.0-rc1" /*!< Development Build: git tag that is the base for the current development */
 
diff --git a/unit-test/coveragetest/coveragetest_sample_lib.c b/unit-test/coveragetest/coveragetest_sample_lib.c
index 08d0a28..4c8030d 100644
--- a/unit-test/coveragetest/coveragetest_sample_lib.c
+++ b/unit-test/coveragetest/coveragetest_sample_lib.c
@@ -68,7 +68,8 @@ typedef struct
 static int32 UT_printf_hook(void *UserObj, int32 StubRetcode, uint32 CallCount, const UT_StubContext_t *Context,
                             va_list va)
 {
-    SAMPLE_LIB_Function_TestState_t *State = UserObj;
+    SAMPLE_LIB_Function_TestState_t *State  = UserObj;
+    const char *                     string = UT_Hook_GetArgValueByName(Context, "string", const char *);
 
     /*
      * The OS_printf() stub passes format string as the argument
@@ -76,7 +77,7 @@ static int32 UT_printf_hook(void *UserObj, int32 StubRetcode, uint32 CallCount,
      * detail would not be needed, but this serves as an example
      * of how it can be done.
      */
-    if (Context->ArgCount > 0 && strcmp(Context->ArgPtr[0], "SAMPLE_LIB_Function called, buffer=\'%s\'\n") == 0)
+    if (Context->ArgCount > 0 && strcmp(string, "SAMPLE_LIB_Function called, buffer=\'%s\'\n") == 0)
     {
         State->format_string_valid = true;