diff --git a/param.h b/param.h
index a37743ef4..c41f75ec9 100644
--- a/param.h
+++ b/param.h
@@ -72,6 +72,14 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifndef PARAM_H
 #define PARAM_H
 
+#define LONGCAST (BLASLONG)
+#if defined(__BYTE_ORDER__)
+#if __GNUC__ < 9
+#undef LONGCAST
+#define LONGCAST
+#endif
+#endif
+
 #define SBGEMM_DEFAULT_UNROLL_N 4
 #define SBGEMM_DEFAULT_UNROLL_M 8
 #define SBGEMM_DEFAULT_UNROLL_MN 32
@@ -2088,7 +2096,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifdef PPCG4
 #define GEMM_DEFAULT_OFFSET_A    0
 #define GEMM_DEFAULT_OFFSET_B 1024
-#define GEMM_DEFAULT_ALIGN (BLASLONG)0x0ffffUL
+#define GEMM_DEFAULT_ALIGN LONGCAST 0x0ffffUL
 
 #define SGEMM_DEFAULT_UNROLL_M 16
 #define SGEMM_DEFAULT_UNROLL_N 4
@@ -2119,7 +2127,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define GEMM_DEFAULT_OFFSET_A 2688
 #define GEMM_DEFAULT_OFFSET_B 3072
-#define GEMM_DEFAULT_ALIGN (BLASLONG)0x03fffUL
+#define GEMM_DEFAULT_ALIGN LONGCAST 0x03fffUL
 
 #if defined(__BYTE_ORDER__)&&(__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
 #define SGEMM_DEFAULT_UNROLL_M 4
@@ -2168,7 +2176,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define GEMM_DEFAULT_OFFSET_A (32 * 0)
 #define GEMM_DEFAULT_OFFSET_B (32 * 0)
-#define GEMM_DEFAULT_ALIGN (BLASLONG)0x0ffffUL
+#define GEMM_DEFAULT_ALIGN LONGCAST 0x0ffffUL
 
 #define SGEMM_DEFAULT_UNROLL_M 4
 #define SGEMM_DEFAULT_UNROLL_N 4
@@ -2204,7 +2212,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define GEMM_DEFAULT_OFFSET_A (32 * 0)
 #define GEMM_DEFAULT_OFFSET_B (32 * 0)
-#define GEMM_DEFAULT_ALIGN (BLASLONG)0x0ffffUL
+#define GEMM_DEFAULT_ALIGN LONGCAST 0x0ffffUL
 
 #define SGEMM_DEFAULT_UNROLL_M 8
 #define SGEMM_DEFAULT_UNROLL_N 4
@@ -2239,7 +2247,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #if defined(POWER3) || defined(POWER4) || defined(POWER5)
 #define GEMM_DEFAULT_OFFSET_A 0
 #define GEMM_DEFAULT_OFFSET_B 2048
-#define GEMM_DEFAULT_ALIGN (BLASLONG)0x0ffffUL
+#define GEMM_DEFAULT_ALIGN LONGCAST 0x0ffffUL
 
 #define SGEMM_DEFAULT_UNROLL_M 4
 #define SGEMM_DEFAULT_UNROLL_N 4
@@ -2312,7 +2320,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define GEMM_DEFAULT_OFFSET_A  384
 #define GEMM_DEFAULT_OFFSET_B 1024
-#define GEMM_DEFAULT_ALIGN (BLASLONG)0x03fffUL
+#define GEMM_DEFAULT_ALIGN LONGCAST 0x03fffUL
 
 #define SGEMM_DEFAULT_UNROLL_M 4
 #define SGEMM_DEFAULT_UNROLL_N 4
@@ -2345,7 +2353,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define GEMM_DEFAULT_OFFSET_A 0 
 #define GEMM_DEFAULT_OFFSET_B 65536
 
-#define GEMM_DEFAULT_ALIGN (BLASLONG)0x0ffffUL
+#define GEMM_DEFAULT_ALIGN LONGCAST 0x0ffffUL
 #if defined(__32BIT__)
 #warning using BINARY32==POWER6
 #define SGEMM_DEFAULT_UNROLL_M 4
@@ -2398,7 +2406,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define GEMM_DEFAULT_OFFSET_A 0 
 #define GEMM_DEFAULT_OFFSET_B 65536
-#define GEMM_DEFAULT_ALIGN 0x0ffffUL
+#define GEMM_DEFAULT_ALIGN LONGCAST 0x0ffffUL
 
 #define SWITCH_RATIO            16
 #define GEMM_PREFERED_SIZE      16
@@ -2437,7 +2445,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define GEMM_DEFAULT_OFFSET_A 0
 #define GEMM_DEFAULT_OFFSET_B 65536
-#define GEMM_DEFAULT_ALIGN 0x0ffffUL
+#define GEMM_DEFAULT_ALIGN LONGCAST 0x0ffffUL
 
 #define SWITCH_RATIO            16
 #define GEMM_PREFERED_SIZE      16