diff --git a/configure.in b/configure.in
index b74e2e2..fb9e3c6 100644
--- a/configure.in
+++ b/configure.in
@@ -95,7 +95,9 @@ PKG_PROG_PKG_CONFIG
 
 # libraries
 case $host in
-  (*mingw*|*windows*)
+  (*mac*|*darwin*)
+    ;;
+  (*mingw*|*win*)
     LIBS+=" -lwinhttp"
     CXXFLAGS+=" -DQ_OS_WIN32"
     ;;