diff --git a/x64_dbg_bridge/bridgemain.h b/x64_dbg_bridge/bridgemain.h
index 86c1c991..3aab7c91 100644
--- a/x64_dbg_bridge/bridgemain.h
+++ b/x64_dbg_bridge/bridgemain.h
@@ -3,7 +3,12 @@
 
 #include <windows.h>
 
-#pragma pack(push, 1)
+//default structure alignments forced
+#ifdef _WIN64
+#pragma pack(push, 16)
+#else //x86
+#pragma pack(push, 8)
+#endif //_WIN64
 
 #ifdef _WIN64
 typedef unsigned long long duint;
diff --git a/x64_dbg_dbg/_plugins.h b/x64_dbg_dbg/_plugins.h
index 37d0314a..ecb25136 100644
--- a/x64_dbg_dbg/_plugins.h
+++ b/x64_dbg_dbg/_plugins.h
@@ -11,10 +11,15 @@
 
 #include "_plugin_types.h"
 
-#pragma pack(push, 1)
+//default structure alignments forced
+#ifdef _WIN64
+#pragma pack(push, 16)
+#else //x86
+#pragma pack(push, 8)
+#endif //_WIN64
 
 //defines
-#define PLUG_SDKVERSION 2
+#define PLUG_SDKVERSION 1
 
 //structures
 struct PLUG_INITSTRUCT