diff --git a/src/isaac_rand/isaac_rand.h b/src/isaac_rand/isaac_rand.h
index 4931bea..21accbf 100644
--- a/src/isaac_rand/isaac_rand.h
+++ b/src/isaac_rand/isaac_rand.h
@@ -16,7 +16,7 @@ MODIFIED:
 
 #ifndef RAND
 #define RAND
-#define RANDSIZL   (8)  /* I recommend 8 for crypto, 4 for simulations */
+#define RANDSIZL   (4)  /* I recommend 8 for crypto, 4 for simulations */
 #define RANDSIZ    (1<<RANDSIZL)
 
 /* context of random number generator */
diff --git a/src/prng.c b/src/prng.c
index 57f7a24..38e454d 100644
--- a/src/prng.c
+++ b/src/prng.c
@@ -140,18 +140,31 @@ int nwipe_isaac_init( NWIPE_PRNG_INIT_SIGNATURE )
 
 int nwipe_isaac_read( NWIPE_PRNG_READ_SIGNATURE )
 {
-    /* The purpose of this function is unclear, as it does not do anything except immediately return !
-     * Because the variables in the macro NWIPE_PRNG_READ_SIGNATURE were then unused this throws
-     * up a handful of compiler warnings, related to variables being unused. To stop the compiler warnings
-     * I've simply put in a (void) var so that compiler sees the variable are supposed to be unused.
-     *
-     * As this code works, I thought it best not to remove this function, just in case it serves
-     * some purpose or is there for future use.
-     */
+    u32 i = 0;
+    u32 ii;
+    u32 words = count / SIZE_OF_ISAAC;  // the values of isaac is strictly 4 bytes
+    u32 remain = count % SIZE_OF_ISAAC;  // the values of isaac is strictly 4 bytes
 
-    (void) state;
-    (void) buffer;
-    (void) count;
+    randctx* isaac_state = *state;
+
+    /* Isaac returns 4-bytes per call, so progress by 4 bytes. */
+    for( ii = 0; ii < words; ++ii )
+    {
+        /* get the next 32bit random number */
+        isaac( isaac_state );
+
+        nwipe_u32tobuffer( (u8*) ( buffer + i ), isaac_state->randrsl[0], SIZE_OF_ISAAC );
+        i = i + SIZE_OF_ISAAC;
+    }
+
+    /* If there is some remainder copy only relevant number of bytes to not overflow the buffer. */
+    if( remain > 0 )
+    {
+        /* get the next 32bit random number */
+        isaac( isaac_state );
+
+        nwipe_u32tobuffer( (u8*) ( buffer + i ), isaac_state->randrsl[0], SIZE_OF_ISAAC );
+    }
 
     return 0;
 }
diff --git a/src/prng.h b/src/prng.h
index fe4398b..34d152a 100644
--- a/src/prng.h
+++ b/src/prng.h
@@ -54,4 +54,7 @@ int nwipe_isaac_read( NWIPE_PRNG_READ_SIGNATURE );
 /* Size of the twister is not derived from the architecture, but it is strictly 4 bytes */
 #define SIZE_OF_TWISTER 4
 
+/* Size of the isaac is not derived from the architecture, but it is strictly 4 bytes */
+#define SIZE_OF_ISAAC 4
+
 #endif /* PRNG_H_ */
diff --git a/src/version.c b/src/version.c
index 6b2aa37..ec7bc11 100644
--- a/src/version.c
+++ b/src/version.c
@@ -4,7 +4,7 @@
  * used by configure to dynamically assign those values
  * to documentation files.
  */
-const char* version_string = "0.30.007";
+const char* version_string = "0.30.008";
 const char* program_name = "nwipe";
 const char* author_name = "Martijn van Brummelen";
 const char* email_address = "git@brumit.nl";
@@ -14,4 +14,4 @@ Modifications to original dwipe Copyright Andy Beverley <andy@andybev.com>\n\
 This is free software; see the source for copying conditions.\n\
 There is NO warranty; not even for MERCHANTABILITY or FITNESS\n\
 FOR A PARTICULAR PURPOSE.\n";
-const char* banner = "nwipe 0.30.007";
+const char* banner = "nwipe 0.30.008";