diff --git a/packaging/deb/freerdp-nightly/rules b/packaging/deb/freerdp-nightly/rules
index 754924836..97f23bb9c 100755
--- a/packaging/deb/freerdp-nightly/rules
+++ b/packaging/deb/freerdp-nightly/rules
@@ -49,7 +49,9 @@ DEB_CMAKE_EXTRA_FLAGS :=  -GNinja \
 						  -DUWAC_FORCE_STATIC_BUILD=ON \
 						  -DWITH_BINARY_VERSIONING=ON \
 						  -DWITH_RESOURCE_VERSIONING=ON \
-						  -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+						  -DCMAKE_BUILD_TYPE=Debug \
+						  -DCMAKE_C_FLAGS="-O1" \
+						  -DCMAKE_CXX_FLAGS="-O1" \
 						  -DCMAKE_INSTALL_PREFIX=/opt/freerdp-nightly/ \
 						  -DCMAKE_INSTALL_INCLUDEDIR=include \
 						  -DCMAKE_INSTALL_LIBDIR=lib \
diff --git a/packaging/rpm/freerdp-nightly.spec b/packaging/rpm/freerdp-nightly.spec
index e2153a8a7..11afcfaf2 100644
--- a/packaging/rpm/freerdp-nightly.spec
+++ b/packaging/rpm/freerdp-nightly.spec
@@ -216,7 +216,9 @@ cp %{_topdir}/SOURCES/source_version freerdp-nightly-%{version}/.source_version
     -DBUILD_TESTING=ON \
     -DBUILD_TESTING_NO_H264=ON \
     -DCMAKE_CTEST_ARGUMENTS="-DExperimentalTest;--output-on-failure;--no-compress-output" \
-    -DCMAKE_BUILD_TYPE=RelWithDebInfo \
+    -DCMAKE_BUILD_TYPE=Debug \
+    -DCMAKE_C_FLAGS="-O1" \
+    -DCMAKE_CXX_FLAGS="-O1" \
     -DCMAKE_INSTALL_PREFIX=%{INSTALL_PREFIX} \
     -DCMAKE_INSTALL_LIBDIR=%{_lib}