diff --git a/libs/fluidsynth/config.h b/libs/fluidsynth/config.h
index df624449cb..7da00102b8 100644
--- a/libs/fluidsynth/config.h
+++ b/libs/fluidsynth/config.h
@@ -201,7 +201,11 @@
 #define VERSION "2.0.6"
 
 /* Define to do all DSP in single floating point precision */
-/* #undef WITH_FLOAT */
+#ifdef __arm__
+#  define WITH_FLOAT
+#else
+#  undef WITH_FLOAT
+#endif
 
 /* Define to profile the DSP code */
 /* #undef WITH_PROFILING */