diff --git a/doxygen/mbedtls.doxyfile b/doxygen/mbedtls.doxyfile
index 03f48d89e4..6d104c8593 100644
--- a/doxygen/mbedtls.doxyfile
+++ b/doxygen/mbedtls.doxyfile
@@ -16,7 +16,7 @@ REFERENCES_RELATION    = YES
 ALPHABETICAL_INDEX     = NO
 HTML_OUTPUT            = .
 HTML_TIMESTAMP         = YES
-SEARCHENGINE           = NO
+SEARCHENGINE           = YES
 GENERATE_LATEX         = NO
 MACRO_EXPANSION        = YES
 EXPAND_ONLY_PREDEF     = YES