diff --git a/include/psn00bsdk/include/hwregs_c.h b/include/psn00bsdk/include/hwregs_c.h
index 21529866f..c99f5fc5d 100644
--- a/include/psn00bsdk/include/hwregs_c.h
+++ b/include/psn00bsdk/include/hwregs_c.h
@@ -16,8 +16,8 @@
 
 /* Constants */
 
-#define IOBASE				0xbf800000
-#define EXP1BASE			0xbf000000
+#define IOBASE				0x1f800000
+#define EXP1BASE			0x1f000000
 
 #define F_CPU				33868800L
 #define F_GPU				53222400L
diff --git a/include/psn00bsdk/local changes.txt b/include/psn00bsdk/local changes.txt
index 2ab9d6243..128bf3a32 100644
--- a/include/psn00bsdk/local changes.txt	
+++ b/include/psn00bsdk/local changes.txt	
@@ -1,3 +1,8 @@
 changed some headers < .h> to <psn00bsdk/include/ .h>
+
 changed #if 0 to #if 1 for SpuVolume
-changed psxgpu.h to use "NikoFakeDrEnv" in DRAWENV
\ No newline at end of file
+
+changed psxgpu.h to use "NikoFakeDrEnv" in DRAWENV
+
+changed hwregs_c.h 0xBFxxxxxx to 0x1Fxxxxxx, because psyq does that, 
+	and because PSP Popsloader + ePSXe wont recognize 0xBFxxxxxx
\ No newline at end of file