diff --git a/amgprec/impl/amg_cslu_interface.c b/amgprec/impl/amg_cslu_interface.c
index 41e114e4..66f542a2 100644
--- a/amgprec/impl/amg_cslu_interface.c
+++ b/amgprec/impl/amg_cslu_interface.c
@@ -112,7 +112,7 @@ typedef struct {
 
 int  amg_cslu_fact(int n, int nnz, 
 #ifdef AMG_HAVE_SLU
-#if defined(AMG_SLU_VERSION_7)
+#if (AMG_SLU_VERSION >= 7)
 		   singlecomplex *values,
 #else		   
 		   complex *values,
@@ -181,10 +181,10 @@ int  amg_cslu_fact(int n, int nnz,
     
     panel_size = sp_ienv(1);
     relax = sp_ienv(2);
-#if defined(AMG_SLU_VERSION_7) ||defined(AMG_SLU_VERSION_5) 
+#if (AMG_SLU_VERSION >= 7) ||  (AMG_SLU_VERSION == 5) 
     cgstrf(&options, &AC, relax, panel_size, etree,
 	   NULL, 0, perm_c, perm_r, L, U, &Glu, &stat, &info);
-#elif defined(AMG_SLU_VERSION_4)
+#elif (AMG_SLU_VERSION == 4)
     cgstrf(&options, &AC, relax, panel_size, etree,
 	   NULL, 0, perm_c, perm_r, L, U, &stat, &info);
 #else
@@ -234,7 +234,7 @@ int  amg_cslu_fact(int n, int nnz,
 
 int amg_cslu_solve(int itrans, int n, int nrhs,
 #ifdef AMG_HAVE_SLU
-#if defined(AMG_SLU_VERSION_7)
+#if (AMG_SLU_VERSION == 7)
 		   singlecomplex *b,
 #else		   
 		   complex *b,
diff --git a/amgprec/impl/amg_dslu_interface.c b/amgprec/impl/amg_dslu_interface.c
index 829f3473..f8231996 100644
--- a/amgprec/impl/amg_dslu_interface.c
+++ b/amgprec/impl/amg_dslu_interface.c
@@ -171,10 +171,10 @@ int amg_dslu_fact(int n, int nnz, double *values,
     
     panel_size = sp_ienv(1);
     relax = sp_ienv(2);
-#if defined(AMG_SLU_VERSION_7) ||defined(AMG_SLU_VERSION_5) 
+#if (AMG_SLU_VERSION >= 7) || (AMG_SLU_VERSION == 5) 
     dgstrf(&options, &AC, relax, panel_size, etree,
 	   NULL, 0, perm_c, perm_r, L, U, &Glu, &stat, &info);
-#elif defined(AMG_SLU_VERSION_4)
+#elif (AMG_SLU_VERSION == 4)
     dgstrf(&options, &AC, relax, panel_size, etree,
 	   NULL, 0, perm_c, perm_r, L, U, &stat, &info);
 #else
diff --git a/amgprec/impl/amg_sslu_interface.c b/amgprec/impl/amg_sslu_interface.c
index cb020909..0ccd0b80 100644
--- a/amgprec/impl/amg_sslu_interface.c
+++ b/amgprec/impl/amg_sslu_interface.c
@@ -172,10 +172,10 @@ int amg_sslu_fact(int n, int nnz, float *values,
     
     panel_size = sp_ienv(1);
     relax = sp_ienv(2);
-#if defined(AMG_SLU_VERSION_7) ||defined(AMG_SLU_VERSION_5) 
+#if (AMG_SLU_VERSION >= 7) || (AMG_SLU_VERSION == 5) 
     sgstrf(&options, &AC, relax, panel_size, 
 	   etree, NULL, 0, perm_c, perm_r, L, U, &Glu, &stat, &info);
-#elif defined(AMG_SLU_VERSION_4)
+#elif (AMG_SLU_VERSION == 4)
     sgstrf(&options, &AC, relax, panel_size, 
 	   etree, NULL, 0, perm_c, perm_r, L, U, &stat, &info);
 #else
diff --git a/amgprec/impl/amg_zslu_interface.c b/amgprec/impl/amg_zslu_interface.c
index 63795a52..9db4475d 100644
--- a/amgprec/impl/amg_zslu_interface.c
+++ b/amgprec/impl/amg_zslu_interface.c
@@ -176,10 +176,10 @@ int  amg_zslu_fact(int n, int nnz,
     
     panel_size = sp_ienv(1);
     relax = sp_ienv(2);
-#if defined(AMG_SLU_VERSION_7) ||defined(AMG_SLU_VERSION_5) 
+#if (AMG_SLU_VERSION >= 7) || (AMG_SLU_VERSION == 5) 
     zgstrf(&options, &AC, relax, panel_size, etree,
 	   NULL, 0, perm_c, perm_r, L, U, &Glu, &stat, &info);
-#elif defined(AMG_SLU_VERSION_4)
+#elif (AMG_SLU_VERSION == 4)
     zgstrf(&options, &AC, relax, panel_size, etree,
 	   NULL, 0, perm_c, perm_r, L, U, &stat, &info);
 #else
diff --git a/configure b/configure
index 85dde08a..eb37d91e 100755
--- a/configure
+++ b/configure
@@ -10983,7 +10983,7 @@ if test "x$amg4psblas_cv_have_superlu" == "xyes" ; then
    SLU_FLAGS="-DAMG_SLU_VERSION_$pac_slu_version $SLU_INCLUDES"
    FDEFINES="$amg_cv_define_prepend-DAMG_HAVE_SLU $FDEFINES"
    CHAVESLU="#define  AMG_HAVE_SLU"
-   CSLUVERSION="#define  AMG_SLU_VERSION_$pac_slu_version"
+   CSLUVERSION="#define  AMG_SLU_VERSION $pac_slu_version"
 else
    SLU_FLAGS=""
 fi
diff --git a/configure.ac b/configure.ac
index 2fa0b3f6..19817452 100755
--- a/configure.ac
+++ b/configure.ac
@@ -792,7 +792,7 @@ if test "x$amg4psblas_cv_have_superlu" == "xyes" ; then
    SLU_FLAGS="-DAMG_SLU_VERSION_$pac_slu_version $SLU_INCLUDES"
    FDEFINES="$amg_cv_define_prepend-DAMG_HAVE_SLU $FDEFINES"
    CHAVESLU="#define  AMG_HAVE_SLU"
-   CSLUVERSION="#define  AMG_SLU_VERSION_$pac_slu_version"	
+   CSLUVERSION="#define  AMG_SLU_VERSION $pac_slu_version"	
 else
    SLU_FLAGS=""
 fi