diff --git a/security/import_hiding.h b/security/import_hiding.h
index ba074fb..b9d094a 100644
--- a/security/import_hiding.h
+++ b/security/import_hiding.h
@@ -218,7 +218,7 @@ KC_NOINLINE inline void* find_module_by_hash(uint64_t name_hash) {
 
     __try {
 #if KC_IMPORT_HIDING_LOCK_MODULE_LIST
-        if (KeGetCurrentIrql() == PASSIVE_LEVEL) {
+        if (KeGetCurrentIrql() != PASSIVE_LEVEL) {
             __try {
                 KeEnterCriticalRegion();
                 in_critical = true;
diff --git a/security/integrity.h b/security/integrity.h
index c3e0e15..302877f 100644
--- a/security/integrity.h
+++ b/security/integrity.h
@@ -140,7 +140,9 @@ KC_NOINLINE inline bool find_text_section(void* base, uintptr_t& text_va, uint32
         }
 
         // fallback: first section with IMAGE_SCN_MEM_EXECUTE
+#ifndef IMAGE_SCN_MEM_EXECUTE
         constexpr uint32_t IMAGE_SCN_MEM_EXECUTE = 0x20000000;
+#endif
         for (uint16_t i = 0; i < nt->FileHeader.NumberOfSections; ++i) {
             if (section[i].Characteristics & IMAGE_SCN_MEM_EXECUTE) {
                 text_va = reinterpret_cast<uintptr_t>(base) + section[i].VirtualAddress;