diff --git a/Makefile.am b/Makefile.am
index e721ab8e..8f6daf87 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -84,10 +84,10 @@ ratbagd_SOURCES = \
 
 ratbagd_CFLAGS = \
 	$(AM_CFLAGS) \
-	$(UDEV_CFLAGS) \
+	$(LIBUDEV_CFLAGS) \
 	$(LIBSYSTEMD_CFLAGS)
 
 ratbagd_LDADD = \
 	libshared.la \
-	$(UDEV_LIBS) \
+	$(LIBUDEV_LIBS) \
 	$(LIBSYSTEMD_LIBS)
diff --git a/configure.ac b/configure.ac
index 2d40488d..c7d00191 100644
--- a/configure.ac
+++ b/configure.ac
@@ -127,7 +127,7 @@ m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-conf
 # ------------------------------------------------------------------------------
 # dependencies
 
-PKG_CHECK_MODULES([UDEV], [libudev])
+PKG_CHECK_MODULES([LIBUDEV], [libudev])
 PKG_CHECK_MODULES([LIBSYSTEMD], [libsystemd >= 225])
 
 # ------------------------------------------------------------------------------