diff --git a/winpr/libwinpr/comm/CMakeLists.txt b/winpr/libwinpr/comm/CMakeLists.txt
index 1516c4216..8da2906ed 100644
--- a/winpr/libwinpr/comm/CMakeLists.txt
+++ b/winpr/libwinpr/comm/CMakeLists.txt
@@ -18,7 +18,7 @@
 set(MODULE_NAME "winpr-comm")
 set(MODULE_PREFIX "WINPR_COMM")
 
-if(UNIX AND NOT ANDROID AND NOT APPLE)
+if(UNIX AND NOT ANDROID AND NOT APPLE AND NOT EMSCRIPTEN)
 	set(${MODULE_PREFIX}_SRCS
 		comm.c
 		comm.h