diff --git a/stable/mips64.c b/stable/mips64.c
index ad194ecb7..43bfde235 100644
--- a/stable/mips64.c
+++ b/stable/mips64.c
@@ -290,6 +290,7 @@ int mips64_get_idling_pc(cpu_gen_t *cpu)
 
    /* Re-enable IRQ */
    mcpu->irq_disable = FALSE;
+   free(pc_hash);
    return(0);
 }
 
diff --git a/unstable/mips64.c b/unstable/mips64.c
index 99ff9293b..f3791b289 100644
--- a/unstable/mips64.c
+++ b/unstable/mips64.c
@@ -292,6 +292,7 @@ int mips64_get_idling_pc(cpu_gen_t *cpu)
 
    /* Re-enable IRQ */
    mcpu->irq_disable = FALSE;
+   free(pc_hash);
    return(0);
 }