diff --git a/src/marsyas/MagFFT.cpp b/src/marsyas/MagFFT.cpp
index 056f998..525ffa8 100644
--- a/src/marsyas/MagFFT.cpp
+++ b/src/marsyas/MagFFT.cpp
@@ -37,10 +37,10 @@ typedef struct { float re ; float im ; } complex ;
 
 #define CABS(x) hypot( (x).re, (x).im )
 
-complex cadd(), csub(), cmult(), smult(), cdiv(), conjg(), csqrt() ;
+::complex cadd(), csub(), cmult(), smult(), cdiv(), conjg(), csqrt() ;
 
-extern complex zero ;
-extern complex one ;
+extern ::complex zero ;
+extern ::complex one ;
 extern float synt ;
 
 
diff --git a/src/sndpeek/sndpeek.cpp b/src/sndpeek/sndpeek.cpp
index 77fca13..a95275f 100644
--- a/src/sndpeek/sndpeek.cpp
+++ b/src/sndpeek/sndpeek.cpp
@@ -1583,7 +1583,7 @@ void displayFunc( )
         // take forward FFT; result in buffer as FFT_SIZE/2 complex values
         rfft( (float *)buffer, g_fft_size/2, FFT_FORWARD );
         // cast to complex
-        complex * cbuf = (complex *)buffer;
+        ::complex * cbuf = (::complex *)buffer;
 
         // reset drawing offsets
         x = -1.8f;
@@ -1910,7 +1910,7 @@ void extract_buffer( )
     // take the forward fft, leaving fftsize/2 complex values
     rfft( (float *)buffer, g_buffer_size/2, FFT_FORWARD );
     // cast to complex
-    complex * cbuf = (complex *)buffer;
+    ::complex * cbuf = (::complex *)buffer;
 
     // get magnitude spectrum
     for( i = 0; i < g_buffer_size/2; i++ )