diff --git a/cross-make-mingw.sh b/cross-make-mingw.sh
index e4b1b13e..619d9f71 100755
--- a/cross-make-mingw.sh
+++ b/cross-make-mingw.sh
@@ -1,22 +1,26 @@
 #!/bin/sh
 
+# Note: This works in Linux and cygwin
+
 CMD_PREFIX="i586-mingw32msvc i686-w64-mingw32";
 
 if [ "X$CC" = "X" ]; then
     for check in $CMD_PREFIX; do
         full_check="${check}-gcc"
-	if [ ! $(which "$full_check") = "" ]; then
-	    export CC="$full_check"
-	fi
+        which "$full_check" > /dev/null 2>&1
+        if [ "$?" = "0" ]; then
+            export CC="$full_check"
+        fi
     done
 fi
 
 if [ "X$WINDRES" = "X" ]; then
     for check in $CMD_PREFIX; do
         full_check="${check}-windres"
-	if [ ! $(which "$full_check") = "" ]; then
-	    export WINDRES="$full_check"
-	fi
+        which "$full_check" > /dev/null 2>&1
+        if [ "$?" = "0" ]; then
+            export WINDRES="$full_check"
+        fi
     done
 fi
 
diff --git a/cross-make-mingw64.sh b/cross-make-mingw64.sh
index d480c266..16c3d5da 100755
--- a/cross-make-mingw64.sh
+++ b/cross-make-mingw64.sh
@@ -1,22 +1,26 @@
 #!/bin/sh
 
+# Note: This works in Linux and cygwin
+
 CMD_PREFIX="amd64-mingw32msvc x86_64-w64-mingw32";
 
 if [ "X$CC" = "X" ]; then
     for check in $CMD_PREFIX; do
         full_check="${check}-gcc"
-	if [ ! $(which "$full_check") = "" ]; then
-	    export CC="$full_check"
-	fi
+        which "$full_check" > /dev/null 2>&1
+        if [ "$?" = "0" ]; then
+            export CC="$full_check"
+        fi
     done
 fi
 
 if [ "X$WINDRES" = "X" ]; then
     for check in $CMD_PREFIX; do
         full_check="${check}-windres"
-	if [ ! $(which "$full_check") = "" ]; then
-	    export WINDRES="$full_check"
-	fi
+        which "$full_check" > /dev/null 2>&1
+        if [ "$?" = "0" ]; then
+            export WINDRES="$full_check"
+        fi
     done
 fi