diff --git a/config-mingw b/config-mingw
index 68483fa6..c6e14441 100755
--- a/config-mingw
+++ b/config-mingw
@@ -1,2 +1,2 @@
 #!/bin/sh
-./configure --disable-test-compare-images --enable-build-external-libs --with-buildrules=mingw
+./configure --disable-test-compare-images --enable-external-libs --with-buildrules=mingw
diff --git a/config-msvc b/config-msvc
index 6c04b1f8..6a94ff16 100755
--- a/config-msvc
+++ b/config-msvc
@@ -1,2 +1,2 @@
 #!/bin/sh
-CC=cl CXX="cl /TP /GR" CPPFLAGS=-DHAVE_VSNPRINTF ./configure --disable-test-compare-images --enable-build-external-libs --with-buildrules=msvc
+CC=cl CXX="cl -TP -GR" ./configure --disable-test-compare-images --enable-external-libs --with-buildrules=msvc