diff --git a/amxmodx/amxmodx.cpp b/amxmodx/amxmodx.cpp
index 3e9de4e6..ab3c858f 100755
--- a/amxmodx/amxmodx.cpp
+++ b/amxmodx/amxmodx.cpp
@@ -4460,6 +4460,11 @@ static cell AMX_NATIVE_CALL arraycompare(AMX *amx, cell *params)
 	cell *with = get_amxaddr(amx, params[2]);
 	int size = params[3];
 
+	if(size < 1){
+		LogError(amx, AMX_ERR_NATIVE, "Invalid size (%d).", size);
+		return 0;
+	}
+
 	while (size--)
 		if (*with++ != *what++)
 			return 0;
diff --git a/plugins/include/amxmodx.inc b/plugins/include/amxmodx.inc
index 306d338f..40d782ba 100755
--- a/plugins/include/amxmodx.inc
+++ b/plugins/include/amxmodx.inc
@@ -3316,7 +3316,8 @@ native arrayset(any:array[], any:value, size);
  * @param with    Second array
  * @param size    Size of array
  *
- * @return Returns true if arrays are equaly, false otherwise.
+ * @return	Returns true if arrays are equaly, false otherwise.
+ * @error	If size < 1.
  */
 native bool:arraycompare(const any:what[], const any:with[], const size);