diff --git a/AK/MappedFile.cpp b/AK/MappedFile.cpp
index 7fcc2c54106..3224e68665c 100644
--- a/AK/MappedFile.cpp
+++ b/AK/MappedFile.cpp
@@ -57,7 +57,7 @@ MappedFile::MappedFile(const StringView& file_name)
     }
 
 #ifdef DEBUG_MAPPED_FILE
-    dbgprintf("MappedFile{%s} := { fd=%d, m_size=%u, m_map=%p }\n", file_name.characters(), fd, m_size, m_map);
+    dbgprintf("MappedFile{%s} := { fd=%d, m_size=%zu, m_map=%p }\n", file_name.to_string().characters(), fd, m_size, m_map);
 #endif
 
     close(fd);
diff --git a/AK/StringImpl.cpp b/AK/StringImpl.cpp
index f90d0e632ad..2e7797db403 100644
--- a/AK/StringImpl.cpp
+++ b/AK/StringImpl.cpp
@@ -41,7 +41,7 @@ void dump_all_stringimpls()
 {
     unsigned i = 0;
     for (auto& it : *g_all_live_stringimpls) {
-        dbgprsize_tf("%u: \"%s\"\n", i, (*it).characters());
+        dbgprintf("%u: \"%s\"\n", i, (*it).characters());
         ++i;
     }
 }
diff --git a/AK/Weakable.h b/AK/Weakable.h
index 960b2a57c36..5d40a216324 100644
--- a/AK/Weakable.h
+++ b/AK/Weakable.h
@@ -30,7 +30,9 @@
 #include "RefCounted.h"
 #include "RefPtr.h"
 
-#define WEAKABLE_DEBUG
+#ifndef WEAKABLE_DEBUG
+#    define WEAKABLE_DEBUG
+#endif
 
 namespace AK {
 
@@ -64,7 +66,7 @@ public:
     WeakPtr<T> make_weak_ptr();
 
 protected:
-    Weakable() {}
+    Weakable() { }
 
     ~Weakable()
     {