diff --git a/contrib/build-wine/build-secp256k1.sh b/contrib/build-wine/build-secp256k1.sh
index 2e73196b4..30d4a598b 100755
--- a/contrib/build-wine/build-secp256k1.sh
+++ b/contrib/build-wine/build-secp256k1.sh
@@ -5,6 +5,7 @@ set -e
 
 build_dll() {
     #sudo apt-get install -y mingw-w64
+    export SOURCE_DATE_EPOCH=1530212462
     ./autogen.sh
     echo "LDFLAGS = -no-undefined" >> Makefile.am
     LDFLAGS="-Wl,--no-insert-timestamp" ./configure \
@@ -14,6 +15,7 @@ build_dll() {
         --enable-module-ecdh \
         --disable-jni
     make
+    ${1}-strip .libs/libsecp256k1-0.dll
 }
 
 
@@ -30,8 +32,6 @@ fi
 git reset --hard 452d8e4d2a2f9f1b5be6b02e18f1ba102e5ca0b4
 git clean -f -x -q
 
-export SOURCE_DATE_EPOCH=1530212462
-
 build_dll i686-w64-mingw32  # 64-bit would be: x86_64-w64-mingw32
 mv .libs/libsecp256k1-0.dll libsecp256k1.dll