diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2a1e505..137f584 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -348,6 +348,9 @@ if(CPPTRACE_UNWIND_WITH_WINAPI)
 endif()
 
 if(CPPTRACE_UNWIND_WITH_DBGHELP)
+  if(NOT HAS_STACKWALK)
+    message(WARNING "Cpptrace: CPPTRACE_UNWIND_WITH_DBGHELP specified but dbghelp stackwalk64 doesn't seem to be available.")
+  endif()
   target_compile_definitions(cpptrace PUBLIC CPPTRACE_UNWIND_WITH_DBGHELP)
   target_link_libraries(cpptrace PRIVATE dbghelp)
 endif()
diff --git a/src/unwind/unwind_with_dbghelp.cpp b/src/unwind/unwind_with_dbghelp.cpp
index 83f5fc0..f1005af 100644
--- a/src/unwind/unwind_with_dbghelp.cpp
+++ b/src/unwind/unwind_with_dbghelp.cpp
@@ -50,7 +50,7 @@ namespace detail {
             "label:\n\t"
             "mov{l %%ebp, %[cEbp] | %[cEbp], ebp};\n\t"
             "mov{l %%esp, %[cEsp] | %[cEsp], esp};\n\t"
-            "mov{l $label, %%eax | eax, label};\n\t"
+            "mov{l $label, %%eax | eax, OFFSET label};\n\t"
             "mov{l %%eax, %[cEip] | %[cEip], eax};\n\t"
             : [cEbp] "=r" (context.Ebp),
               [cEsp] "=r" (context.Esp),