diff --git a/audioutils/fmsynth/CMakeLists.txt b/audioutils/fmsynth/CMakeLists.txt
index 968a001ca..be63c3afb 100644
--- a/audioutils/fmsynth/CMakeLists.txt
+++ b/audioutils/fmsynth/CMakeLists.txt
@@ -18,6 +18,6 @@
 #
 # ##############################################################################
 
-if(CONFIG_AUDIOUTILS_MMLPARSER_LIB)
+if(CONFIG_AUDIOUTILS_FMSYNTH_LIB)
   target_sources(apps PRIVATE fmsynth.c fmsynth_eg.c fmsynth_op.c)
 endif()