diff --git a/BasiliskII/src/emul_op.cpp b/BasiliskII/src/emul_op.cpp
index b51c0e4a..da55c5ab 100644
--- a/BasiliskII/src/emul_op.cpp
+++ b/BasiliskII/src/emul_op.cpp
@@ -236,9 +236,11 @@ void EmulOp(uint16 opcode, M68kRegisters *r)
 
 			// Install PutScrap() patch
 			M68kRegisters r;
-			r.d[0] = 0xa9fe;
-			r.a[0] = PutScrapPatch;
-			Execute68kTrap(0xa647, &r);		// SetToolTrap()
+			if (PutScrapPatch) {
+				r.d[0] = 0xa9fe;
+				r.a[0] = PutScrapPatch;
+				Execute68kTrap(0xa647, &r);	// SetToolTrap()
+			}
 
 			// Install GetScrap() patch
 			if (GetScrapPatch) {
diff --git a/BasiliskII/src/rom_patches.cpp b/BasiliskII/src/rom_patches.cpp
index 32528af6..f11b1a1c 100644
--- a/BasiliskII/src/rom_patches.cpp
+++ b/BasiliskII/src/rom_patches.cpp
@@ -40,7 +40,7 @@
 
 // Global variables
 uint32 UniversalInfo;		// ROM offset of UniversalInfo
-uint32 PutScrapPatch;		// Mac address of PutScrap() patch
+uint32 PutScrapPatch = 0;	// Mac address of PutScrap() patch
 uint32 GetScrapPatch = 0;	// Mac address of GetScrap() patch
 uint32 ROMBreakpoint = 0;	// ROM offset of breakpoint (0 = disabled, 0x2310 = CritError)
 bool PrintROMInfo = false;	// Flag: print ROM information in PatchROM()