diff --git a/hw/kdrive/ephyr/Makefile.am b/hw/kdrive/ephyr/Makefile.am
index 040993ce0..00a53d0df 100644
--- a/hw/kdrive/ephyr/Makefile.am
+++ b/hw/kdrive/ephyr/Makefile.am
@@ -38,7 +38,7 @@ if GLAMOR
 GLAMOR_SRCS = \
 	ephyr_glamor_glx.c \
 	ephyr_glamor_glx.h \
-	()
+	$()
 endif
 
 if DRI