diff --git a/__test__/unix/print.test.js b/__test__/unix/print.test.js
index 78d2f4a..61a4e60 100644
--- a/__test__/unix/print.test.js
+++ b/__test__/unix/print.test.js
@@ -50,7 +50,7 @@ test("sends PDF file to the specific printer", () => {
     printer
   };
   return print(filename, options).then(() => {
-    expect(execAsync).toHaveBeenCalledWith("lp", [filename, `-d ${printer}`]);
+    expect(execAsync).toHaveBeenCalledWith("lp", [filename, "-d", printer]);
   });
 });
 
@@ -61,8 +61,10 @@ test("allows users to pass OS specific options", () => {
   return print(filename, options).then(() => {
     expect(execAsync).toHaveBeenCalledWith("lp", [
       filename,
-      `-d ${printer}`,
-      "-o sides=one-sided"
+      "-d",
+      printer,
+      "-o",
+      "sides=one-sided"
     ]);
   });
 });
diff --git a/__test__/win32/print.test.js b/__test__/win32/print.test.js
index 5c5f40c..a7976f9 100644
--- a/__test__/win32/print.test.js
+++ b/__test__/win32/print.test.js
@@ -76,7 +76,8 @@ test("allows users to pass OS specific options", () => {
     expect(execAsync).toHaveBeenCalledWith("mocked_path_SumatraPDF.exe", [
       "-print-to",
       printer,
-      '-print-settings "1,2,fit"',
+      "-print-settings",
+      '"1,2,fit"',
       "-silent",
       filename
     ]);
diff --git a/src/unix/print.js b/src/unix/print.js
index 3c37466..d33f359 100644
--- a/src/unix/print.js
+++ b/src/unix/print.js
@@ -13,12 +13,12 @@ const print = (pdf, options = {}) => {
   const { printer, unix } = options;
 
   if (printer) {
-    args.push(`-d ${printer}`);
+    args.push("-d", printer);
   }
 
   if (unix) {
     if (!Array.isArray(unix)) throw "options.unix should be an array";
-    unix.map(unixArg => args.push(unixArg));
+    unix.map(unixArg => args.push(...unixArg.split(" ")));
   }
 
   return execAsync("lp", args);
diff --git a/src/win32/print.js b/src/win32/print.js
index 8ab34b6..6c4f6cf 100644
--- a/src/win32/print.js
+++ b/src/win32/print.js
@@ -22,9 +22,10 @@ const print = (pdf, options = {}) => {
   } else {
     args.push("-print-to-default");
   }
+
   if (win32) {
     if (!Array.isArray(win32)) throw "options.win32 should be an array";
-    win32.map(win32Arg => args.push(win32Arg));
+    win32.map(win32Arg => args.push(...win32Arg.split(" ")));
   }
 
   args.push("-silent", pdf);