diff --git a/libfreerdp/CMakeLists.txt b/libfreerdp/CMakeLists.txt
index de49b5dee..2ce9c42a3 100644
--- a/libfreerdp/CMakeLists.txt
+++ b/libfreerdp/CMakeLists.txt
@@ -218,9 +218,11 @@ endif()
 
 set(OPUS_DEFAULT OFF)
 if (NOT WITH_DSP_FFMPEG)
-	find_package(PkgConfig REQUIRED)
-	pkg_check_modules(OPUS REQUIRED opus)
-	set(OPUS_DEFAULT ${OPUS_FOUND})
+	find_package(PkgConfig)
+	if (PkgConfig_FOUND)
+		pkg_check_modules(OPUS opus)
+		set(OPUS_DEFAULT ${OPUS_FOUND})
+	endif()
 endif()
 
 option(WITH_OPUS "compile with opus codec support" ${OPUS_DEFAULT})