diff --git a/libobs/CMakeLists.txt b/libobs/CMakeLists.txt
index eee3f1aa8..f2b28d5c6 100644
--- a/libobs/CMakeLists.txt
+++ b/libobs/CMakeLists.txt
@@ -476,6 +476,9 @@ if(UNIX AND NOT APPLE)
 	foreach(LIB "obs" "rt")
 		set(PRIVATE_LIBS "${PRIVATE_LIBS} -l${LIB}")
 	endforeach()
+	if(LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64(le)?")
+		set(PPC64_CFLAGS "-DNO_WARN_X86_INTRINSICS -mvsx")
+	endif()
 	CONFIGURE_FILE("libobs.pc.in" "libobs.pc" @ONLY)
 	install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libobs.pc" DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 endif()
diff --git a/libobs/libobs.pc.in b/libobs/libobs.pc.in
index f6c471bae..76c13e644 100644
--- a/libobs/libobs.pc.in
+++ b/libobs/libobs.pc.in
@@ -7,5 +7,5 @@ Name: libobs
 Description: OBS Studio Library
 Version: @OBS_VERSION@
 Requires: x11
-Cflags: -I${includedir}
+Cflags: -I${includedir} @PPC64_CFLAGS@
 Libs: -L${libdir} @PRIVATE_LIBS@