diff --git a/libsepol/cil/src/cil_reset_ast.c b/libsepol/cil/src/cil_reset_ast.c
index 43e6b88e0..52e5f6401 100644
--- a/libsepol/cil/src/cil_reset_ast.c
+++ b/libsepol/cil/src/cil_reset_ast.c
@@ -22,11 +22,12 @@ static int __class_reset_perm_values(__attribute__((unused)) hashtab_key_t k, ha
 static void cil_reset_class(struct cil_class *class)
 {
 	if (class->common != NULL) {
-		struct cil_class *common = class->common;
-		cil_symtab_map(&class->perms, __class_reset_perm_values, &common->num_perms);
+		/* Must assume that the common has been destroyed */
+		int num_common_perms = class->num_perms - class->perms.nprim;
+		cil_symtab_map(&class->perms, __class_reset_perm_values, &num_common_perms);
 		/* during a re-resolve, we need to reset the common, so a classcommon
 		 * statement isn't seen as a duplicate */
-		class->num_perms -= common->num_perms;
+		class->num_perms = class->perms.nprim;
 		class->common = NULL; /* Must make this NULL or there will be an error when re-resolving */
 	}
 	class->ordered = CIL_FALSE;