diff --git a/glibc_random.vhdl b/glibc_random.vhdl
index 2284e04..c66d7ec 100644
--- a/glibc_random.vhdl
+++ b/glibc_random.vhdl
@@ -6,33 +6,33 @@ library work;
 use work.glibc_random_helpers.all;
 
 package glibc_random is
-	function pseudorand(a: integer) return std_ulogic_vector;
-	function pseudorand1 return std_ulogic;
+    function pseudorand(a: integer) return std_ulogic_vector;
+    function pseudorand1 return std_ulogic;
 end package glibc_random;
 
 package body glibc_random is
-	function pseudorand(a: integer) return std_ulogic_vector is
-		variable tmp1, tmp2, tmp3, tmp4: std_ulogic_vector(31 downto 0);
-		variable ret: std_ulogic_vector(63 downto 0);
-	begin
-		tmp1 := std_ulogic_vector(to_unsigned(random, 32));
-		tmp2 := std_ulogic_vector(to_unsigned(random, 32));
-		if a <= 32 then
-			ret := tmp1 & tmp2;
-		else
-			tmp3 := std_ulogic_vector(to_unsigned(random, 32));
-			tmp4 := std_ulogic_vector(to_unsigned(random, 32));
+    function pseudorand(a: integer) return std_ulogic_vector is
+        variable tmp1, tmp2, tmp3, tmp4: std_ulogic_vector(31 downto 0);
+        variable ret: std_ulogic_vector(63 downto 0);
+    begin
+        tmp1 := std_ulogic_vector(to_unsigned(random, 32));
+        tmp2 := std_ulogic_vector(to_unsigned(random, 32));
+        if a <= 32 then
+            ret := tmp1 & tmp2;
+        else
+            tmp3 := std_ulogic_vector(to_unsigned(random, 32));
+            tmp4 := std_ulogic_vector(to_unsigned(random, 32));
 
-			ret := tmp1(15 downto 0) & tmp2(15 downto 0) & tmp3(15 downto 0) & tmp4(15 downto 0);
-		end if;
+            ret := tmp1(15 downto 0) & tmp2(15 downto 0) & tmp3(15 downto 0) & tmp4(15 downto 0);
+        end if;
 
-		return ret((a-1) downto 0);
-	end;
+        return ret((a-1) downto 0);
+    end;
 
-	function pseudorand1 return std_ulogic is
-		variable tmp: std_ulogic_vector(31 downto 0);
-	begin
-		tmp := std_ulogic_vector(to_unsigned(random, 32));
-		return tmp(0);
-	end;
+    function pseudorand1 return std_ulogic is
+        variable tmp: std_ulogic_vector(31 downto 0);
+    begin
+        tmp := std_ulogic_vector(to_unsigned(random, 32));
+        return tmp(0);
+    end;
 end package body glibc_random;
diff --git a/glibc_random_helpers.vhdl b/glibc_random_helpers.vhdl
index ee89645..04e1d16 100644
--- a/glibc_random_helpers.vhdl
+++ b/glibc_random_helpers.vhdl
@@ -1,19 +1,19 @@
 package glibc_random_helpers is
-	procedure srand (v : integer);
-	attribute foreign of srand : procedure is "VHPIDIRECT srand";
+    procedure srand (v : integer);
+    attribute foreign of srand : procedure is "VHPIDIRECT srand";
 
-	function random return integer;
-	attribute foreign of random : function is "VHPIDIRECT random";
+    function random return integer;
+    attribute foreign of random : function is "VHPIDIRECT random";
 end glibc_random_helpers;
 
 package body glibc_random_helpers is
-	procedure srand (v : integer) is
-	begin
-		assert false severity failure;
-	end srand;
+    procedure srand (v : integer) is
+    begin
+        assert false severity failure;
+    end srand;
 
-	function random return integer is
-	begin
-		assert false severity failure;
-	end random;
+    function random return integer is
+    begin
+        assert false severity failure;
+    end random;
 end glibc_random_helpers;