diff --git a/interface/zspr.c b/interface/zspr.c
index 339ad801d8..27f0055a93 100644
--- a/interface/zspr.c
+++ b/interface/zspr.c
@@ -117,7 +117,7 @@ void NAME(char *UPLO, blasint *N, FLOAT  *ALPHA,
 
   FUNCTION_PROFILE_START();
 
-  if (incx < 0 ) x -= (n - 1) * incx;
+  if (incx < 0 ) x -= (n - 1) * incx * COMPSIZE;
 
   buffer = (FLOAT *)blas_memory_alloc(1);
   if (!buffer) {
diff --git a/interface/zspr2.c b/interface/zspr2.c
index 74a1b24676..40707e7352 100644
--- a/interface/zspr2.c
+++ b/interface/zspr2.c
@@ -119,8 +119,8 @@ void NAME(char *UPLO, blasint *N, FLOAT  *ALPHA,
 
   FUNCTION_PROFILE_START();
 
-  if (incx < 0 ) x -= (n - 1) * incx;
-  if (incy < 0 ) y -= (n - 1) * incy;
+  if (incx < 0 ) x -= (n - 1) * incx * COMPSIZE;
+  if (incy < 0 ) y -= (n - 1) * incy * COMPSIZE;
 
   buffer = (FLOAT *)blas_memory_alloc(1);
   if (!buffer) {
diff --git a/interface/zsyr2.c b/interface/zsyr2.c
index c892fc43e7..336d0a507a 100644
--- a/interface/zsyr2.c
+++ b/interface/zsyr2.c
@@ -121,8 +121,8 @@ void NAME(char *UPLO, blasint *N, FLOAT  *ALPHA,
 
   FUNCTION_PROFILE_START();
 
-  if (incx < 0 ) x -= (n - 1) * incx;
-  if (incy < 0 ) y -= (n - 1) * incy;
+  if (incx < 0 ) x -= (n - 1) * incx * COMPSIZE;
+  if (incy < 0 ) y -= (n - 1) * incy * COMPSIZE;
 
   buffer = (FLOAT *)blas_memory_alloc(1);
   if (!buffer) {