diff --git a/Makefile.osx b/Makefile.osx
index aec6095..2318559 100644
--- a/Makefile.osx
+++ b/Makefile.osx
@@ -1,10 +1,10 @@
 
 CXX		:= g++
 CC		:= gcc
-ARCHFLAGS	:= -arch i386 -arch x86_64
+ARCHFLAGS	:= 
 OPTFLAGS	:= -DNDEBUG -ffast-math -mfpmath=sse -msse -msse2 -O3 -ftree-vectorize
 
-CXXFLAGS	:= $(ARCHFLAGS) $(OPTFLAGS) -I/usr/local/include -DUSE_PTHREADS -DHAVE_VDSP -DUSE_SPEEX -DNO_THREAD_CHECKS -DNO_TIMING -Irubberband -I. -Isrc
+CXXFLAGS	:= $(ARCHFLAGS) $(OPTFLAGS) -I/usr/local/include -DUSE_PTHREADS -DMALLOC_IS_ALIGNED -DHAVE_VDSP -DUSE_SPEEX -DNO_THREAD_CHECKS -DNO_TIMING -Irubberband -I. -Isrc
 
 LIBRARY_LIBS		:= -framework Accelerate
 
diff --git a/src/system/Allocators.h b/src/system/Allocators.h
index d1eef7a..08bf58b 100644
--- a/src/system/Allocators.h
+++ b/src/system/Allocators.h
@@ -77,7 +77,9 @@ T *allocate(size_t count)
 #ifdef __MSVC__
     ptr = _aligned_malloc(count * sizeof(T), alignment);
 #else /* !__MSVC__ */
+#ifndef MALLOC_IS_ALIGNED
 #warning "No aligned malloc available or defined"
+#endif
     // Note that malloc always aligns to 16 byte boundaries on OS/X
     ptr = malloc(count * sizeof(T));
 #endif /* !__MSVC__ */
diff --git a/src/system/VectorOps.h b/src/system/VectorOps.h
index 8b954ee..03f881c 100644
--- a/src/system/VectorOps.h
+++ b/src/system/VectorOps.h
@@ -674,7 +674,7 @@ inline void v_abs(float *const R__ dst,
                   const int count)
 {
     float tmp[count];
-    vvfabf(tmp, dst, &count);
+    vvfabsf(tmp, dst, &count);
     v_copy(dst, tmp, count);
 }
 #endif