diff --git a/kernel/mips/cscal_msa.c b/kernel/mips/cscal_msa.c
index 451d0c921b..7a33d8601f 100644
--- a/kernel/mips/cscal_msa.c
+++ b/kernel/mips/cscal_msa.c
@@ -47,7 +47,7 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i,
 
     if (1 == inc_x)
     {
-        if ((0.0 == da_r) && (0.0 == da_i))
+        if ((0.0 == da_r) && (0.0 == da_i) && !dummy2)
         {
             v4f32 zero_v = {0.0, 0.0, 0.0, 0.0};
 
@@ -508,7 +508,7 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i,
     {
         inc_x2 = 2 * inc_x;
 
-        if ((0.0 == da_r) && (0.0 == da_i))
+        if ((0.0 == da_r) && (0.0 == da_i) && !dummy2)
         {
             for (i = n; i--;)
             {
diff --git a/kernel/mips/zscal.c b/kernel/mips/zscal.c
index ae1c87fcea..8a34180f53 100644
--- a/kernel/mips/zscal.c
+++ b/kernel/mips/zscal.c
@@ -39,7 +39,7 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r,FLOAT da_i, F
 	{
 		if ( da_r == 0.0 )
 		{
-			if ( da_i == 0.0 )
+			if ( da_i == 0.0 && !dummy2)
 			{
 				temp = 0.0;
 				x[ip+1] = 0.0 ;
diff --git a/kernel/mips/zscal_msa.c b/kernel/mips/zscal_msa.c
index a45c3cecde..f644cbbd51 100644
--- a/kernel/mips/zscal_msa.c
+++ b/kernel/mips/zscal_msa.c
@@ -47,7 +47,7 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i,
 
     if (1 == inc_x)
     {
-        if ((0.0 == da_r) && (0.0 == da_i))
+        if ((0.0 == da_r) && (0.0 == da_i) && !dummy2)
         {
             v2f64 zero_v = {0.0, 0.0};
 
@@ -471,7 +471,7 @@ int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT da_r, FLOAT da_i,
     {
         inc_x2 = 2 * inc_x;
 
-        if ((0.0 == da_r) && (0.0 == da_i))
+        if ((0.0 == da_r) && (0.0 == da_i) && !dummy2)
         {
             v2f64 zero_v = {0.0, 0.0};
 
diff --git a/kernel/mips64/zscal.S b/kernel/mips64/zscal.S
index f11b1c8d09..25ef7e06f3 100644
--- a/kernel/mips64/zscal.S
+++ b/kernel/mips64/zscal.S
@@ -48,6 +48,7 @@
 #define TEMP	$3
 
 #define XX	$5
+#define DUMMY2  $6
 
 #define ALPHA_R	$f15
 #define ALPHA_I	$f16
@@ -74,6 +75,9 @@
 	blez	N, .L999
 	dsll	INCX, INCX, ZBASE_SHIFT
 
+	LDARG   DUMMY2, 8($sp)
+	dsll	DUMMY2, DUMMY2, ZBASE_SHIFT
+
 	CMPEQ	$fcc0, ALPHA_R, a1
 	CMPEQ	$fcc1, ALPHA_I, a1
 
@@ -83,6 +87,8 @@
 	bc1f	$fcc1, .L50
 	NOP
 
+	beq	DUMMY2, $1, .L50
+
 	bne	INCX, TEMP, .L20
 	dsra	I, N, 2