diff --git a/build/ck.build.in b/build/ck.build.in
index 3ddf999..1d6bfe3 100644
--- a/build/ck.build.in
+++ b/build/ck.build.in
@@ -1,5 +1,5 @@
-CC?=@CC@
-MAKE?=make
+CC=@CC@
+MAKE=make
 SRC_DIR=@SRC_DIR@
 BUILD_DIR=@BUILD_DIR@
 CFLAGS+=@CFLAGS@ -I$(SRC_DIR)/include -I$(BUILD_DIR)/include