diff --git a/src/modules/echo-cancel/module-echo-cancel.c b/src/modules/echo-cancel/module-echo-cancel.c
index 64e17bffb..1fad12a6e 100644
--- a/src/modules/echo-cancel/module-echo-cancel.c
+++ b/src/modules/echo-cancel/module-echo-cancel.c
@@ -89,7 +89,7 @@ typedef enum {
 #endif
 } pa_echo_canceller_method_t;
 
-#if HAVE_WEBRTC
+#ifdef HAVE_WEBRTC
 #define DEFAULT_ECHO_CANCELLER "webrtc"
 #else
 #define DEFAULT_ECHO_CANCELLER "speex"