diff --git a/plugins/yara_rules/source/content/yara_rule.cpp b/plugins/yara_rules/source/content/yara_rule.cpp
index 0b5404310..cc08293d4 100644
--- a/plugins/yara_rules/source/content/yara_rule.cpp
+++ b/plugins/yara_rules/source/content/yara_rule.cpp
@@ -120,7 +120,7 @@ namespace hex::plugin::yara {
             &resultContext
         );
 
-        if (yr_compiler_add_bytes(compiler, m_content.c_str(), m_content.size(), nullptr) != ERROR_SUCCESS) {
+        if (yr_compiler_add_string(compiler, m_content.c_str(), nullptr) != ERROR_SUCCESS) {
             std::string errorMessage(0xFFFF, '\x00');
             yr_compiler_get_error_message(compiler, errorMessage.data(), errorMessage.size());