diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5bac27c51..c136e00f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,8 +67,8 @@ if(${CMAKE_C_COMPILER_ID} MATCHES "Clang" OR ${CMAKE_CXX_COMPILER_ID} MATCHES "C
 endif()
 
 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANG)
-	set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wno-unused-function -Werror-implicit-function-declaration -Wno-missing-field-initializers ${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
-	set(CMAKE_C_FLAGS "-Wall -Wextra -Wno-unused-function -Werror-implicit-function-declaration -Wno-missing-braces -Wno-missing-field-initializers ${CMAKE_C_FLAGS} -std=gnu99 -fno-strict-aliasing")
+	set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wvla -Wno-unused-function -Werror-implicit-function-declaration -Wno-missing-field-initializers ${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
+	set(CMAKE_C_FLAGS "-Wall -Wextra -Wvla -Wno-unused-function -Werror-implicit-function-declaration -Wno-missing-braces -Wno-missing-field-initializers ${CMAKE_C_FLAGS} -std=gnu99 -fno-strict-aliasing")
 
 	option(USE_LIBC++ "Use libc++ instead of libstdc++" ${APPLE})
 	if(USE_LIBC++)
diff --git a/libobs/audio-monitoring/pulse/pulseaudio-wrapper.c b/libobs/audio-monitoring/pulse/pulseaudio-wrapper.c
index fc41d7a2a..4bbbc9b8f 100644
--- a/libobs/audio-monitoring/pulse/pulseaudio-wrapper.c
+++ b/libobs/audio-monitoring/pulse/pulseaudio-wrapper.c
@@ -307,14 +307,15 @@ int_fast32_t pulseaudio_connect_playback(pa_stream *s, const char *name,
 		return -1;
 
 	size_t dev_len = strlen(name) - 8;
-	char device[dev_len];
+	char *device = bzalloc(dev_len + 1);
 	memcpy(device, name, dev_len);
-	device[dev_len] = '\0';
 
 	pulseaudio_lock();
 	int_fast32_t ret = pa_stream_connect_playback(s, device, attr, flags,
 			NULL, NULL);
 	pulseaudio_unlock();
+
+	bfree(device);
 	return ret;
 }