diff --git a/SConstruct b/SConstruct
index e9dfae5038..e1814c37c3 100755
--- a/SConstruct
+++ b/SConstruct
@@ -358,8 +358,7 @@ if main['GCC']:
     main['GCC_VERSION'] = gcc_version
 
     # Add the appropriate Link-Time Optimization (LTO) flags
-    # unless LTO is explicitly turned off. Note that these flags
-    # are only used by the fast target.
+    # unless LTO is explicitly turned off.
     if not GetOption('no_lto'):
         # Pass the LTO flag when compiling to produce GIMPLE
         # output, we merely create the flags here and only append
diff --git a/src/SConscript b/src/SConscript
index aeb7038a61..5fe0ab2c25 100644
--- a/src/SConscript
+++ b/src/SConscript
@@ -1341,11 +1341,8 @@ if env['GCC']:
     # the optimization to the ldflags as LTO defers the optimization
     # to link time
     for target in ['opt', 'fast', 'prof', 'perf']:
-        ccflags[target] += ['-O3']
-        ldflags[target] += ['-O3']
-
-    ccflags['fast'] += env['LTO_CCFLAGS']
-    ldflags['fast'] += env['LTO_LDFLAGS']
+        ccflags[target] += ['-O3'] + env['LTO_CCFLAGS']
+        ldflags[target] += ['-O3'] + env['LTO_LDFLAGS']
 elif env['CLANG']:
     ccflags['debug'] += ['-g', '-O0']
     # opt, fast, prof and perf all share the same cc flags