diff --git a/src/dynamic.c b/src/dynamic.c
index 79a56dc..70078e7 100644
--- a/src/dynamic.c
+++ b/src/dynamic.c
@@ -11,9 +11,9 @@
 #undef IMPORT_BEGIN
 #undef IMPORT_END
 
-#define IMPORT(name)                                                                                         \
-    do {                                                                                                     \
-        if (OSDynLoad_FindExport(handle, 0, #name, &addr_##name) < 0) OSFatal("Function " #name " is NULL"); \
+#define IMPORT(name)                                                                                                          \
+    do {                                                                                                                      \
+        if (OSDynLoad_FindExport(handle, 0, #name, &addr_##name) < 0) OSFatal("CustomRPXLoader: Function " #name " is NULL"); \
     } while (0)
 #define IMPORT_BEGIN(lib) OSDynLoad_Acquire(#lib ".rpl", &handle)
 /* #define IMPORT_END()       OSDynLoad_Release(handle) */
diff --git a/src/main.cpp b/src/main.cpp
index fc2f6c2..7154d49 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -119,7 +119,7 @@ uint32_t do_start(int argc, char **argv) {
         std::vector<RelocationData> relocData = moduleData->getRelocationDataList();
         if (!doRelocation(relocData, gModuleData->trampolines, DYN_LINK_TRAMPOLIN_LIST_LENGTH)) {
             DEBUG_FUNCTION_LINE("relocations failed");
-            OSFatal("Relocations failed");
+            OSFatal("CustomRPXLoader: Relocations failed");
         }
         if (moduleData->getBSSAddr() != 0) {
             DEBUG_FUNCTION_LINE("memset .bss %08X (%d)", moduleData->getBSSAddr(), moduleData->getBSSSize());
diff --git a/src/module/ModuleDataFactory.cpp b/src/module/ModuleDataFactory.cpp
index 3c93981..8a610b7 100644
--- a/src/module/ModuleDataFactory.cpp
+++ b/src/module/ModuleDataFactory.cpp
@@ -203,7 +203,7 @@ std::vector<RelocationData> ModuleDataFactory::getImportRelocationData(const elf
                 Elf64_Addr sym_value;
 
                 if (!rel.get_entry(j, offset, symbol, type, addend)) {
-                    OSFatal("Failed to get relocation");
+                    OSFatal("CustomRPXLoader: get_entry failed");
                     return {};
                 }
                 symbol_section_accessor symbols(reader, reader.sections[(Elf_Half) psec->get_link()]);
@@ -217,7 +217,7 @@ std::vector<RelocationData> ModuleDataFactory::getImportRelocationData(const elf
 
                 if (!symbols.get_symbol(symbol, sym_name, sym_value, size,
                                         bind, symbolType, sym_section_index, other)) {
-                    OSFatal("Failed to get relocation");
+                    OSFatal("CustomRPXLoader: get_symbol failed");
                     return {};
                 }
 
@@ -261,7 +261,7 @@ bool ModuleDataFactory::linkSection(const elfio &reader, uint32_t section_index,
                 Elf64_Addr sym_value;
 
                 if (!rel.get_entry(j, offset, symbol, type, addend)) {
-                    OSFatal("Failed to get relocation");
+                    OSFatal("CustomRPXLoader: get_entry failed");
                     return {};
                 }
                 symbol_section_accessor symbols(reader, reader.sections[(Elf_Half) psec->get_link()]);
@@ -275,7 +275,7 @@ bool ModuleDataFactory::linkSection(const elfio &reader, uint32_t section_index,
 
                 if (!symbols.get_symbol(symbol, sym_name, sym_value, size,
                                         bind, symbolType, sym_section_index, other)) {
-                    OSFatal("Failed to get relocation");
+                    OSFatal("CustomRPXLoader: get_symbol failed");
                     return {};
                 }