diff --git a/src/blas/backends/portblas/portblas_common.hpp b/src/blas/backends/portblas/portblas_common.hpp
index 52ec2c6ea..1624749e8 100644
--- a/src/blas/backends/portblas/portblas_common.hpp
+++ b/src/blas/backends/portblas/portblas_common.hpp
@@ -199,7 +199,12 @@ struct throw_if_unsupported_by_device {
         auto fn = [](auto&&... targs) {                                                         \
             portBLASFunc(std::forward<decltype(targs)>(targs)...);                              \
         };                                                                                      \
-        std::apply(fn, args);                                                                   \
+        try {                                                                                   \
+            std::apply(fn, args);                                                               \
+        }                                                                                       \
+        catch (const ::blas::unsupported_exception& e) {                                        \
+            throw unimplemented("blas", e.what());                                              \
+        }                                                                                       \
     }                                                                                           \
     else {                                                                                      \
         throw unimplemented("blas", "portBLAS function");                                       \
@@ -215,7 +220,12 @@ struct throw_if_unsupported_by_device {
         auto fn = [](auto&&... targs) {                                           \
             return portblasFunc(std::forward<decltype(targs)>(targs)...).back();  \
         };                                                                        \
-        return std::apply(fn, args);                                              \
+        try {                                                                     \
+            return std::apply(fn, args);                                          \
+        }                                                                         \
+        catch (const ::blas::unsupported_exception& e) {                          \
+            throw unimplemented("blas", e.what());                                \
+        }                                                                         \
     }                                                                             \
     else {                                                                        \
         throw unimplemented("blas", "portBLAS function");                         \
diff --git a/tests/unit_tests/blas/extensions/omatcopy2.cpp b/tests/unit_tests/blas/extensions/omatcopy2.cpp
index 50dcd0f6b..d0407c324 100644
--- a/tests/unit_tests/blas/extensions/omatcopy2.cpp
+++ b/tests/unit_tests/blas/extensions/omatcopy2.cpp
@@ -177,6 +177,8 @@ TEST_P(Omatcopy2Tests, RealSinglePrecision) {
 }
 
 TEST_P(Omatcopy2Tests, RealDoublePrecision) {
+    CHECK_DOUBLE_ON_DEVICE(std::get<0>(GetParam()));
+
     EXPECT_TRUEORSKIP(test<double>(std::get<0>(GetParam()), std::get<1>(GetParam())));
 }
 
@@ -185,6 +187,8 @@ TEST_P(Omatcopy2Tests, ComplexSinglePrecision) {
 }
 
 TEST_P(Omatcopy2Tests, ComplexDoublePrecision) {
+    CHECK_DOUBLE_ON_DEVICE(std::get<0>(GetParam()));
+
     EXPECT_TRUEORSKIP(test<std::complex<double>>(std::get<0>(GetParam()), std::get<1>(GetParam())));
 }
 
diff --git a/tests/unit_tests/blas/extensions/omatcopy2_usm.cpp b/tests/unit_tests/blas/extensions/omatcopy2_usm.cpp
index d12331c8e..d2103d243 100644
--- a/tests/unit_tests/blas/extensions/omatcopy2_usm.cpp
+++ b/tests/unit_tests/blas/extensions/omatcopy2_usm.cpp
@@ -186,6 +186,8 @@ TEST_P(Omatcopy2UsmTests, RealSinglePrecision) {
 }
 
 TEST_P(Omatcopy2UsmTests, RealDoublePrecision) {
+    CHECK_DOUBLE_ON_DEVICE(std::get<0>(GetParam()));
+
     EXPECT_TRUEORSKIP(test<double>(std::get<0>(GetParam()), std::get<1>(GetParam())));
 }
 
@@ -194,6 +196,8 @@ TEST_P(Omatcopy2UsmTests, ComplexSinglePrecision) {
 }
 
 TEST_P(Omatcopy2UsmTests, ComplexDoublePrecision) {
+    CHECK_DOUBLE_ON_DEVICE(std::get<0>(GetParam()));
+
     EXPECT_TRUEORSKIP(test<std::complex<double>>(std::get<0>(GetParam()), std::get<1>(GetParam())));
 }