diff --git a/pcsx2/GS/Window/GSSetting.cpp b/pcsx2/GS/Window/GSSetting.cpp
index dba31bb799..ba6071d2a8 100644
--- a/pcsx2/GS/Window/GSSetting.cpp
+++ b/pcsx2/GS/Window/GSSetting.cpp
@@ -196,6 +196,9 @@ const char* dialog_message(int ID, bool* updateText)
 		case IDC_PRELOAD_TEXTURES:
 			return cvtString("Uploads entire textures at once instead of small pieces, avoiding redundant uploads when possible.\n"
 				   "Improves performance in most games, but can make a small selection slower.");
+		case IDC_TEX_IN_RT:
+			return cvtString("Allows the texture cache to reuse as an input texture the inner portion of a previous framebuffer.\n"
+				"By default this is enabled only in Jak games.");
 		default:
 			if (updateText)
 				*updateText = false;
diff --git a/pcsx2/GS/Window/GSSetting.h b/pcsx2/GS/Window/GSSetting.h
index f763de82a8..069114ecd4 100644
--- a/pcsx2/GS/Window/GSSetting.h
+++ b/pcsx2/GS/Window/GSSetting.h
@@ -66,6 +66,7 @@ enum
 	IDC_SKIPDRAWHACKEDIT,
 	IDC_SKIPDRAWOFFSET,
 	IDC_SKIPDRAWOFFSETEDIT,
+	IDC_TEX_IN_RT,
 	// Upscaling Hacks
 	IDC_ALIGN_SPRITE,
 	IDC_MERGE_PP_SPRITE,
diff --git a/pcsx2/GS/Window/GSwxDialog.cpp b/pcsx2/GS/Window/GSwxDialog.cpp
index be62dc2172..f3973efa70 100644
--- a/pcsx2/GS/Window/GSwxDialog.cpp
+++ b/pcsx2/GS/Window/GSwxDialog.cpp
@@ -346,6 +346,7 @@ HacksTab::HacksTab(wxWindow* parent)
 	m_ui.addCheckBox(rend_hacks_grid, "Disable Safe Features",     "UserHacks_Disable_Safe_Features",      IDC_SAFE_FEATURES,     hacks_prereq);
 	m_ui.addCheckBox(rend_hacks_grid, "Preload Frame Data",        "preload_frame_with_gs_data",           IDC_PRELOAD_GS,        hacks_prereq);
 	m_ui.addCheckBox(rend_hacks_grid, "Fast Texture Invalidation", "UserHacks_DisablePartialInvalidation", IDC_FAST_TC_INV,       hacks_prereq);
+	m_ui.addCheckBox(rend_hacks_grid, "Texture Inside RT",         "UserHacks_TextureInsideRt",            IDC_TEX_IN_RT,         hacks_prereq);
 
 	// Upscale
 	m_ui.addCheckBox(upscale_hacks_grid, "Align Sprite",   "UserHacks_align_sprite_X",  IDC_ALIGN_SPRITE,    upscale_hacks_prereq);