diff --git a/src/c/alloc_2.d b/src/c/alloc_2.d
index f749abcf4..9816d1643 100644
--- a/src/c/alloc_2.d
+++ b/src/c/alloc_2.d
@@ -268,7 +268,7 @@ allocate_object_own(register struct ecl_type_information *type_info)
     if( (op = *opp) == 0 ) {
       UNLOCK();
       op = (ptr_t)GENERAL_MALLOC((word)lb, cl_object_kind);
-      if (0 == op){
+      if (0 == op) {
         ecl_enable_interrupts_env(the_env);
         return 0;
       }
diff --git a/src/c/main.d b/src/c/main.d
index 973cd7bad..d9ee8a8eb 100755
--- a/src/c/main.d
+++ b/src/c/main.d
@@ -569,7 +569,7 @@ cl_boot(int argc, char **argv)
   /*
    * Initialize the per-thread data.
    * This cannot come later, because we need to be able to bind
-   * ext::*interrupts-enabled while creating packages.
+   * ext::*interrupts-enabled* while creating packages.
    */
   init_big();
   ecl_init_env(env);
diff --git a/src/c/threads/process.d b/src/c/threads/process.d
index 05ba5fe93..5bddc3697 100755
--- a/src/c/threads/process.d
+++ b/src/c/threads/process.d
@@ -618,7 +618,7 @@ mp_process_enable(cl_object process)
                          @':disable', ECL_T);
       process->process.phase = ECL_PROCESS_INACTIVE;
       process->process.env = NULL;
-      if(process_env != NULL)
+      if (process_env != NULL)
         _ecl_dealloc_env(process_env);
     }
     /* Unleash the thread */
diff --git a/src/c/unixint.d b/src/c/unixint.d
index 4ec5a3580..127d2c87b 100644
--- a/src/c/unixint.d
+++ b/src/c/unixint.d
@@ -823,7 +823,7 @@ si_check_pending_interrupts(void)
 void
 ecl_check_pending_interrupts(cl_env_ptr env)
 {
-        if(env->interrupt_struct->pending_interrupt != ECL_NIL)
+        if (env->interrupt_struct->pending_interrupt != ECL_NIL)
                 handle_all_queued_interrupt_safe(env);
 }