diff --git a/raven_spn/raven_spn b/raven_spn/raven_spn
index 33efa25..cb16d40 100755
Binary files a/raven_spn/raven_spn and b/raven_spn/raven_spn differ
diff --git a/raven_spn/src/raven_spn.cpp b/raven_spn/src/raven_spn.cpp
index a9891a7..e23b5ab 100644
--- a/raven_spn/src/raven_spn.cpp
+++ b/raven_spn/src/raven_spn.cpp
@@ -14,8 +14,10 @@ void run_xspn1(int in_addr, int out_addr, int num_samples, int in_beats, int out
     spn_1::output_addr_reg() = out_addr;
     spn_1::num_of_in_beats_reg() = in_beats;  // Number of AXI4 burst beats needed to load all input data
     spn_1::num_of_out_beats_reg() = out_beats;    // Number of AXI4 burst beats needed to store all result data
-    spn_1::start_reg() = 1;
+    asm volatile ("csrrc x0, mie, %0; nop; nop" : : "r"(MIP_MEIP)); // Disable interrupts
     printf("Starting first XSPN instance\n");
+    asm volatile ("csrrs x0, mie, %0; nop" : : "r"(MIP_MEIP)); // Enable interrupts
+    spn_1::start_reg() = 1;
 }
 
 void run_xspn2(int in_addr, int out_addr, int num_samples, int in_beats, int out_beats) {
@@ -25,7 +27,9 @@ void run_xspn2(int in_addr, int out_addr, int num_samples, int in_beats, int out
     spn_2::output_addr_reg() = out_addr;
     spn_2::num_of_in_beats_reg() = in_beats;  // Number of AXI4 burst beats needed to load all input data
     spn_2::num_of_out_beats_reg() = out_beats;    // Number of AXI4 burst beats needed to store all result data
+    asm volatile ("csrrc x0, mie, %0; nop; nop" : : "r"(MIP_MEIP)); // Disable interrupts
     printf("Starting second XSPN instance\n");
+    asm volatile ("csrrs x0, mie, %0; nop" : : "r"(MIP_MEIP)); // Enable interrupts
     spn_2::start_reg() = 1;
 }