diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d7722c864..185ba5dce 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -294,7 +294,7 @@ find_library(LIBGMP NAMES libgmp${CMAKE_STATIC_LIBRARY_SUFFIX} gmp)
 find_library(LIBNETTLE NAMES libnettle${CMAKE_STATIC_LIBRARY_SUFFIX} nettle HINTS /usr/local/lib64)
 
 # for IDN2 we need the idn2 library which in turn depends on the unistring library
-find_library(LIBIDN2 NAMES libidn2${CMAKE_STATIC_LIBRARY_SUFFIX} idn)
+find_library(LIBIDN2 NAMES libidn2${CMAKE_STATIC_LIBRARY_SUFFIX} idn2)
 find_library(LIBUNISTRING NAMES libunistring${CMAKE_STATIC_LIBRARY_SUFFIX} unistring)
 
 target_link_libraries(pihole-FTL rt Threads::Threads ${LIBHOGWEED} ${LIBGMP} ${LIBNETTLE} ${LIBIDN2} ${LIBUNISTRING})