diff --git a/libspeexdsp/Makefile.am b/libspeexdsp/Makefile.am
index d0499b9..42e8d50 100644
--- a/libspeexdsp/Makefile.am
+++ b/libspeexdsp/Makefile.am
@@ -29,7 +29,7 @@ noinst_HEADERS = 	arch.h 	bfin.h \
 	pseudofloat.h smallft.h vorbis_psy.h resample_sse.h resample_neon.h
 
 libspeexdsp_la_LDFLAGS = -no-undefined -version-info @SPEEXDSP_LT_CURRENT@:@SPEEXDSP_LT_REVISION@:@SPEEXDSP_LT_AGE@
-libspeexdsp_la_LIBADD = $(LIBM)
+libspeexdsp_la_LIBADD = @FFT_LIBS@ $(LIBM)
 
 if BUILD_EXAMPLES
 noinst_PROGRAMS = testdenoise testecho testjitter testresample
diff --git a/speexdsp.pc.in b/speexdsp.pc.in
index 6c6d26f..d40d856 100644
--- a/speexdsp.pc.in
+++ b/speexdsp.pc.in
@@ -11,5 +11,5 @@ Version: @PACKAGE_VERSION@
 Requires: @FFT_PKGCONFIG@
 Conflicts:
 Libs: -L${libdir} -lspeexdsp
-Libs.private: @LIBM@
+Libs.private: @FFT_LIBS@ @LIBM@
 Cflags: -I${includedir}