diff --git a/interface/imatcopy.c b/interface/imatcopy.c
index 495243949..c4417e99c 100644
--- a/interface/imatcopy.c
+++ b/interface/imatcopy.c
@@ -157,7 +157,7 @@ void CNAME( enum CBLAS_ORDER CORDER, enum CBLAS_TRANSPOSE CTRANS, blasint crows,
 	b = malloc(msize);
 	if ( b == NULL )
 	{
-		printf("Memory alloc failed\n");
+		printf("Memory alloc failed in imatcopy\n");
 		exit(1);
 	}
 
diff --git a/interface/zimatcopy.c b/interface/zimatcopy.c
index 34454c582..b0b32dc87 100644
--- a/interface/zimatcopy.c
+++ b/interface/zimatcopy.c
@@ -186,7 +186,7 @@ void CNAME( enum CBLAS_ORDER CORDER, enum CBLAS_TRANSPOSE CTRANS, blasint crows,
 	b = malloc(msize);
 	if ( b == NULL )
 	{
-		printf("Memory alloc failed\n");
+		printf("Memory alloc failed in zimatcopy\n");
 		exit(1);
 	}