diff --git a/dlls/ntdll/signal_powerpc.c b/dlls/ntdll/signal_powerpc.c
index cb5089bcaa1..d86412a2165 100644
--- a/dlls/ntdll/signal_powerpc.c
+++ b/dlls/ntdll/signal_powerpc.c
@@ -1171,7 +1171,7 @@ static void thread_startup( void *param )
     context.Iar  = (DWORD)info->start;
 
     if (info->suspend) wait_suspend( &context );
-    attach_dlls( &context, (void **)&context->Gpr3 );
+    attach_dlls( &context, (void **)&context.Gpr3 );
 
     ((thread_start_func)context.Iar)( (LPTHREAD_START_ROUTINE)context.Gpr3, (void *)context.Gpr4 );
 }