diff --git a/gst-libs/gst/fft/gstfftf32.c b/gst-libs/gst/fft/gstfftf32.c
index 4facb353cd..fd574e0b1c 100644
--- a/gst-libs/gst/fft/gstfftf32.c
+++ b/gst-libs/gst/fft/gstfftf32.c
@@ -186,11 +186,11 @@ gst_fft_f32_window (GstFFTF32 * self, gfloat * timedata, GstFFTWindow window)
       break;
     case GST_FFT_WINDOW_HAMMING:
       for (i = 0; i < len; i++)
-        timedata[i] *= (0.53836 - 0.46164 * cos (2.0 * M_PI * i / len));
+        timedata[i] *= (0.53836 - 0.46164 * cos (2.0 * G_PI * i / len));
       break;
     case GST_FFT_WINDOW_HANN:
       for (i = 0; i < len; i++)
-        timedata[i] *= (0.5 - 0.5 * cos (2.0 * M_PI * i / len));
+        timedata[i] *= (0.5 - 0.5 * cos (2.0 * G_PI * i / len));
       break;
     case GST_FFT_WINDOW_BARTLETT:
       for (i = 0; i < len; i++)
diff --git a/gst-libs/gst/fft/gstfftf64.c b/gst-libs/gst/fft/gstfftf64.c
index 5291f6289d..e737854be9 100644
--- a/gst-libs/gst/fft/gstfftf64.c
+++ b/gst-libs/gst/fft/gstfftf64.c
@@ -186,11 +186,11 @@ gst_fft_f64_window (GstFFTF64 * self, gdouble * timedata, GstFFTWindow window)
       break;
     case GST_FFT_WINDOW_HAMMING:
       for (i = 0; i < len; i++)
-        timedata[i] *= (0.53836 - 0.46164 * cos (2.0 * M_PI * i / len));
+        timedata[i] *= (0.53836 - 0.46164 * cos (2.0 * G_PI * i / len));
       break;
     case GST_FFT_WINDOW_HANN:
       for (i = 0; i < len; i++)
-        timedata[i] *= (0.5 - 0.5 * cos (2.0 * M_PI * i / len));
+        timedata[i] *= (0.5 - 0.5 * cos (2.0 * G_PI * i / len));
       break;
     case GST_FFT_WINDOW_BARTLETT:
       for (i = 0; i < len; i++)
diff --git a/gst-libs/gst/fft/gstffts16.c b/gst-libs/gst/fft/gstffts16.c
index 53135d8b98..212e93f1d5 100644
--- a/gst-libs/gst/fft/gstffts16.c
+++ b/gst-libs/gst/fft/gstffts16.c
@@ -186,11 +186,11 @@ gst_fft_s16_window (GstFFTS16 * self, gint16 * timedata, GstFFTWindow window)
       break;
     case GST_FFT_WINDOW_HAMMING:
       for (i = 0; i < len; i++)
-        timedata[i] *= (0.53836 - 0.46164 * cos (2.0 * M_PI * i / len));
+        timedata[i] *= (0.53836 - 0.46164 * cos (2.0 * G_PI * i / len));
       break;
     case GST_FFT_WINDOW_HANN:
       for (i = 0; i < len; i++)
-        timedata[i] *= (0.5 - 0.5 * cos (2.0 * M_PI * i / len));
+        timedata[i] *= (0.5 - 0.5 * cos (2.0 * G_PI * i / len));
       break;
     case GST_FFT_WINDOW_BARTLETT:
       for (i = 0; i < len; i++)
diff --git a/gst-libs/gst/fft/gstffts32.c b/gst-libs/gst/fft/gstffts32.c
index 2581318f5b..56ea543b84 100644
--- a/gst-libs/gst/fft/gstffts32.c
+++ b/gst-libs/gst/fft/gstffts32.c
@@ -185,11 +185,11 @@ gst_fft_s32_window (GstFFTS32 * self, gint32 * timedata, GstFFTWindow window)
       break;
     case GST_FFT_WINDOW_HAMMING:
       for (i = 0; i < len; i++)
-        timedata[i] *= (0.53836 - 0.46164 * cos (2.0 * M_PI * i / len));
+        timedata[i] *= (0.53836 - 0.46164 * cos (2.0 * G_PI * i / len));
       break;
     case GST_FFT_WINDOW_HANN:
       for (i = 0; i < len; i++)
-        timedata[i] *= (0.5 - 0.5 * cos (2.0 * M_PI * i / len));
+        timedata[i] *= (0.5 - 0.5 * cos (2.0 * G_PI * i / len));
       break;
     case GST_FFT_WINDOW_BARTLETT:
       for (i = 0; i < len; i++)