diff --git a/scripts/build.alpine.release.sh b/scripts/build.alpine.release.sh
index 7a79a70..8bdcc83 100644
--- a/scripts/build.alpine.release.sh
+++ b/scripts/build.alpine.release.sh
@@ -12,7 +12,7 @@ cd ..
 
 git clone https://github.com/jbeder/yaml-cpp --depth=1
 cd yaml-cpp
-cmake -DYAML_CPP_BUILD_TESTS=OFF -DYAML_CPP_BUILD_TOOLS=OFF . > /dev/null
+cmake -DCMAKE_BUILD_TYPE=Release -DYAML_CPP_BUILD_TESTS=OFF -DYAML_CPP_BUILD_TOOLS=OFF . > /dev/null
 make install -j2 > /dev/null
 cd ..
 
diff --git a/scripts/build.macos.release.sh b/scripts/build.macos.release.sh
index 60941f7..c05bc59 100644
--- a/scripts/build.macos.release.sh
+++ b/scripts/build.macos.release.sh
@@ -13,7 +13,7 @@ cd ..
 
 git clone https://github.com/jbeder/yaml-cpp --depth=1
 cd yaml-cpp
-cmake -DYAML_CPP_BUILD_TESTS=OFF -DYAML_CPP_BUILD_TOOLS=OFF . > /dev/null
+cmake -DCMAKE_BUILD_TYPE=Release -DYAML_CPP_BUILD_TESTS=OFF -DYAML_CPP_BUILD_TOOLS=OFF . > /dev/null
 make install -j8 > /dev/null
 cd ..
 
diff --git a/src/speedtestutil.cpp b/src/speedtestutil.cpp
index 4a7e925..37e386f 100644
--- a/src/speedtestutil.cpp
+++ b/src/speedtestutil.cpp
@@ -1924,7 +1924,7 @@ void explodeSub(std::string sub, bool sslibev, bool ssrlibev, const std::string
     {
         if(!processed && regFind(sub, "\"?(Proxy|proxies)\"?:"))
         {
-            regGetMatch(sub, R"(^(?:Proxy|proxies):$\s(?:(?:^ +?.*$| *?-.*$|)\s)+)", 1, &sub);
+            regGetMatch(sub, R"(^(?:Proxy|proxies):$\s(?:(?:^ +?.*$| *?-.*$|)\s?)+)", 1, &sub);
             Node yamlnode = Load(sub);
             if(yamlnode.size() && (yamlnode["Proxy"].IsDefined() || yamlnode["proxies"].IsDefined()))
             {