diff --git a/src/zInit.cpp b/src/zInit.cpp
index 2d5236265..6e437c3c4 100644
--- a/src/zInit.cpp
+++ b/src/zInit.cpp
@@ -16,9 +16,10 @@ class LateInitializer {
   public:
     LateInitializer() {
         Dl_info dl_info;
-        if (dladdr((const void*)Hooks::init, &dl_info) && dl_info.dli_fname != NULL) {
+        if (!OS::isMusl() && dladdr((const void*)Hooks::init, &dl_info) && dl_info.dli_fname != NULL) {
             // Make sure async-profiler DSO cannot be unloaded, since it contains JVM callbacks.
-            // Don't use ELF NODELETE flag because of https://sourceware.org/bugzilla/show_bug.cgi?id=20839
+            // This is not relevant for musl, where dlclose() is no-op.
+            // Can't use ELF NODELETE flag because of https://sourceware.org/bugzilla/show_bug.cgi?id=20839
             dlopen(dl_info.dli_fname, RTLD_LAZY | RTLD_NODELETE);
         }
 
diff --git a/test/native/testRunner.hpp b/test/native/testRunner.hpp
index aeb9f8c3b..a97eac15f 100644
--- a/test/native/testRunner.hpp
+++ b/test/native/testRunner.hpp
@@ -75,8 +75,8 @@ struct TestCase {
             std::is_same<decltype(val2), const char*>::value || std::is_same<decltype(val2), char*>::value;          \
         if (is_string) {                                                                                             \
             if ((std::string(#op) == "==") || (std::string(#op) == "!=")) {                                          \
-                const char* str1 = reinterpret_cast<const char*>(val1);                                              \
-                const char* str2 = reinterpret_cast<const char*>(val2);                                              \
+                const char* str1 = (const char*)(intptr_t)(val1);                                                    \
+                const char* str2 = (const char*)(intptr_t)(val2);                                                    \
                 if ((std::string(#op) == "==" && (str1 != str2) && !(str1 && str2 && strcmp(str1, str2) == 0)) ||    \
                     (std::string(#op) == "!=" && (str1 == str2 || (str1 && str2 && strcmp(str1, str2) == 0)))) {     \
                     printf("Assertion failed: (%s %s %s),\n\tactual values: %s = \"%s\", %s = \"%s\"\n\tat %s:%d\n", \