diff --git a/Zend/tests/bug70089.phpt b/Zend/tests/bug70089.phpt
index ea089c820fe..3a8e7d8e783 100644
--- a/Zend/tests/bug70089.phpt
+++ b/Zend/tests/bug70089.phpt
@@ -30,6 +30,6 @@ try {
 ?>
 --EXPECT--
 string(36) "Cannot use string offset as an array"
-string(27) "Cannot unset string offsets"
+string(36) "Cannot use string offset as an array"
 string(47) "Cannot create references to/from string offsets"
 string(41) "Cannot increment/decrement string offsets"
diff --git a/Zend/tests/unset_non_array.phpt b/Zend/tests/unset_non_array.phpt
index cef7f9a7658..5d7ad4d44b8 100644
--- a/Zend/tests/unset_non_array.phpt
+++ b/Zend/tests/unset_non_array.phpt
@@ -109,5 +109,5 @@ Deprecated: Automatic conversion of false to array is deprecated in %s
 Cannot unset offset in a non-array variable
 Cannot unset offset in a non-array variable
 Cannot unset offset in a non-array variable
-Cannot unset string offsets
+Cannot use string offset as an array
 Cannot use object of type stdClass as array
diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c
index 0fa897de834..57134730673 100644
--- a/Zend/zend_execute.c
+++ b/Zend/zend_execute.c
@@ -1573,6 +1573,7 @@ ZEND_API ZEND_COLD void zend_wrong_string_offset_error(void)
 					case ZEND_FETCH_LIST_W:
 					case ZEND_ASSIGN_DIM:
 					case ZEND_ASSIGN_DIM_OP:
+					case ZEND_UNSET_DIM:
 						msg = "Cannot use string offset as an array";
 						break;
 					case ZEND_PRE_INC:
@@ -1594,9 +1595,6 @@ ZEND_API ZEND_COLD void zend_wrong_string_offset_error(void)
 					case ZEND_FE_RESET_RW:
 						msg = "Cannot create references to/from string offsets";
 						break;
-					case ZEND_UNSET_DIM:
-						msg = "Cannot unset string offsets";
-						break;
 					EMPTY_SWITCH_DEFAULT_CASE();
 				}
 				break;