diff --git a/pwnlib/shellcraft/templates/aarch64/memcpy.asm b/pwnlib/shellcraft/templates/aarch64/memcpy.asm
index 8514ac6fd..468f0e339 100644
--- a/pwnlib/shellcraft/templates/aarch64/memcpy.asm
+++ b/pwnlib/shellcraft/templates/aarch64/memcpy.asm
@@ -16,4 +16,4 @@ ${memcpy_loop}:
     ldrb w3, [x1], #1
     strb w3, [x0], #1
     subs x2, x2, #1
-    bge ${memcpy_loop}
+    bgt ${memcpy_loop}
diff --git a/pwnlib/shellcraft/templates/arm/memcpy.asm b/pwnlib/shellcraft/templates/arm/memcpy.asm
index 8c4b2d877..b6714c157 100644
--- a/pwnlib/shellcraft/templates/arm/memcpy.asm
+++ b/pwnlib/shellcraft/templates/arm/memcpy.asm
@@ -16,4 +16,4 @@ ${memcpy_loop}:
     ldrb r3, [r1], #1
     strb r3, [r0], #1
     subs r2, r2, #1
-    bge ${memcpy_loop}
+    bgt ${memcpy_loop}
diff --git a/pwnlib/shellcraft/templates/thumb/memcpy.asm b/pwnlib/shellcraft/templates/thumb/memcpy.asm
index 250555c40..5f3ce2dc7 100644
--- a/pwnlib/shellcraft/templates/thumb/memcpy.asm
+++ b/pwnlib/shellcraft/templates/thumb/memcpy.asm
@@ -16,4 +16,4 @@ ${memcpy_loop}:
     ldrb r3, [r1], #1
     strb r3, [r4], #1
     subs r2, r2, #1
-    bge ${memcpy_loop}
+    bgt ${memcpy_loop}