diff --git a/ext/standard/string.c b/ext/standard/string.c
index 70743f4db7085..266f8c93c15dd 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -1289,7 +1289,7 @@ PHP_FUNCTION(str_decrement)
 		}
 	} while (carry && position-- > 0);
 
-	if (UNEXPECTED(carry || ZSTR_VAL(decremented)[0] == '0')) {
+	if (UNEXPECTED(carry || (ZSTR_VAL(decremented)[0] == '0' && ZSTR_LEN(decremented) > 1))) {
 		if (ZSTR_LEN(decremented) == 1) {
 			zend_string_release_ex(decremented, /* persistent */ false);
 			zend_argument_value_error(1, "\"%s\" is out of decrement range", ZSTR_VAL(str));
diff --git a/ext/standard/tests/strings/str_decrement_basic.phpt b/ext/standard/tests/strings/str_decrement_basic.phpt
index ca02290c16661..9966336742102 100644
--- a/ext/standard/tests/strings/str_decrement_basic.phpt
+++ b/ext/standard/tests/strings/str_decrement_basic.phpt
@@ -28,6 +28,7 @@ $strictlyAlphaNumeric = [
     "d",
     "D",
     "4",
+    "1",
 ];
 
 foreach ($strictlyAlphaNumeric as $s) {
@@ -77,3 +78,5 @@ string(1) "C"
 string(1) "D"
 string(1) "3"
 string(1) "4"
+string(1) "0"
+string(1) "1"