diff --git a/evm/src/cpu/kernel/asm/fields/fp12.asm b/evm/src/cpu/kernel/asm/fields/fp12.asm
index 76d0d967..23068e96 100644
--- a/evm/src/cpu/kernel/asm/fields/fp12.asm
+++ b/evm/src/cpu/kernel/asm/fields/fp12.asm
@@ -83,7 +83,7 @@ global mul_Fp12:
     // stack:            (f+f')(g+g')
     %load_fp6(42)
     // stack:      f'g', (f+f')(g+g')
-    %bus_fp6
+    %subr_fp6
     // stack:      (f+f')(g+g') - f'g'
     %load_fp6(48)
     // stack:  fg, (f+f')(g+g') - f'g'
@@ -91,7 +91,7 @@ global mul_Fp12:
     // stack:      (f+f')(g+g') - f'g', fg
     %dup2_fp6
     // stack:  fg, (f+f')(g+g') - f'g', fg
-    %bus_fp6
+    %subr_fp6
     // stack: (f+f')(g+g') - f'g' - fg, fg
     %store_fp6(30)
     // stack:                           fg
diff --git a/evm/src/cpu/kernel/asm/fields/fp6.asm b/evm/src/cpu/kernel/asm/fields/fp6.asm
index d12322b3..c3d73f5c 100644
--- a/evm/src/cpu/kernel/asm/fields/fp6.asm
+++ b/evm/src/cpu/kernel/asm/fields/fp6.asm
@@ -181,7 +181,7 @@
 %endmacro
 
 // *reversed argument subtraction* cost: 17
-%macro bus_fp6
+%macro subr_fp6
     // stack: f0, f1, f2, f3, f4, f5, g0, g1, g2, g3, g4, g5
     SWAP7
     SUBFP254