diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,6 +34,13 @@
    pam_kwallet.c
 )
 
+set(KF5_MIN_VERSION "5.57.0")
+find_package(KF5 ${KF5_MIN_VERSION} REQUIRED COMPONENTS
+    Wallet
+)
+
+add_definitions(-DKWALLETD_BIN_PATH="${KWALLETD_BIN_PATH}")
+
 if (APPLE)
 LIST(APPEND pam_kwallet_SRCS
    pam_darwin.c
diff --git a/pam_kwallet.c b/pam_kwallet.c
--- a/pam_kwallet.c
+++ b/pam_kwallet.c
@@ -105,7 +105,7 @@
         kdehome = ".local/share";
     }
     if (kwalletd == NULL) {
-        kwalletd = "/usr/bin/kwalletd5";
+        kwalletd = KWALLETD_BIN_PATH;
     }
     if (kwalletPamDataKey == NULL) {
         kwalletPamDataKey = "kwallet5_key";