diff --git a/src/core/pibase.h b/src/core/pibase.h
index 54762930..a344663a 100644
--- a/src/core/pibase.h
+++ b/src/core/pibase.h
@@ -120,13 +120,16 @@
 #ifdef WINDOWS
 #  ifdef CC_GCC
 #    define amalloc(s) __mingw_aligned_malloc(s, PIP_MEMALIGN_BYTES)
+#    define afree(p) __mingw_aligned_free(p)
 #  else
 #    ifdef CC_VC
 #      define amalloc(s) _aligned_malloc(s, PIP_MEMALIGN_BYTES)
+#      define afree(p) _aligned_free(p)
 #    endif
 #  endif
 #else
 #  define amalloc(s) aligned_alloc(PIP_MEMALIGN_BYTES, s)
+#  define afree(p) free(p)
 #endif
 
 #ifdef ANDROID