diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7b2020cb..d4bc4db6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,7 +48,7 @@ if(ANDROID)
   set(WEBP_DEP_INCLUDE_DIRS ${WEBP_DEP_INCLUDE_DIRS}
     ${ANDROID_NDK}/sources/android/cpufeatures
   )
-  add_definitions(-DHAVE_CPU_FEATURES_H)
+  add_definitions(-DHAVE_CPU_FEATURES_H=1)
   set(HAVE_CPU_FEATURES_H 1)
 else()
   set(HAVE_CPU_FEATURES_H 0)
diff --git a/cmake/config.h.in b/cmake/config.h.in
index 9410a1b5..7770da57 100644
--- a/cmake/config.h.in
+++ b/cmake/config.h.in
@@ -14,7 +14,7 @@
 #cmakedefine HAVE_BUILTIN_BSWAP64 1
 
 /* Define to 1 if you have the <cpu-features.h> header file. */
-#cmakedefine HAVE_CPU_FEATURES_H
+#cmakedefine HAVE_CPU_FEATURES_H 1
 
 /* Define to 1 if you have the <dlfcn.h> header file. */
 #cmakedefine HAVE_DLFCN_H 1